<|im_start|>system
You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
<|im_end|>
<|im_start|>user
You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 

<|actionspace_start|>
Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
1. input:
Action: Type text into an input field to search for a specific product. 
Action Argument: the input_text is the specific text entered by the customer.
{
"timestamp": "timestamp",
"action": "input",
"action_argument": "input_text",
}

2. click:
Action: Click on a UI interface button or clickable element on the Amazon website.
Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "clickable_name",
}

3. click_product:
Action: Click on product links or product images.
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
{
"timestamp": "timestamp",
"action": "click_product",
"action_argument": "product_asin",
}

4. purchase:
Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
{
"timestamp": "timestamp",
"action": "purchase",
"action_argument": "product_asin",
}
<|actionspace_end|>

<|memory_start|>
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-18T16:57:08.708Z", "action": "click", "action_argument": "search"}
<|action_end|>

<|observation_start|>
Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
"search_term": [{"term": "shampoo"}],
"cart_items": [{"title": "Cat6a Ethernet Cable Slim 35ft Outdoor&Indoor, 28AWG Pure Copper Cat6 Internet Cable for Waterproof & Direct Burial, Flexible Cat6 Ethernet Cable 10G 550MHZ, Cat 6 Network cable for Indoor Black", "asin": "B0D9GHGYDV", "price": "$6.99", "quantity": "1"},
{"title": "DEFACE Cat 8 Ethernet Cable 40 Ft Cat8 Internet Cable Flat Gigabit High Speed Shielded RJ45 LAN Cable for PS4, Xbox, Router, Modem, Gaming, White", "asin": "B084VPY8FN", "price": "$15.59", "quantity": "1"}],
"promotion_items": [{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free\nRosemary & Mint8.1 Fl Oz (Pack of 1)", "asin": "B09XS8F3P2", "price": "$44.00", "quantity": ""},
{"title": "Kerastase Genesis Bain Nutri-Fortifiant Shampoo - Reduces Breakage, Strengthens & Hydrates Dry Weakened Hair\nFloral8.5 Fl Oz (Pack of 1)", "asin": "B083JK13DH", "price": "$44.00", "quantity": ""},
{"title": "Kerastase Nutritive Bain Satin Shampoo | Gently Cleanses & Replenishes Moisture for Soft, Shiny Hair | With Plant-Based Proteins & Niacinamide | For Fine to Medium Dry Hair\nFloral, Musk8.5 Fl Oz (Pack of 1)", "asin": "B0BZZJYKZ6", "price": "$42.00", "quantity": ""},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz\n33.8 Fl Oz (Pack of 2)", "asin": "B00C5AHTVQ", "price": "$37.99", "quantity": ""},
{"title": "", "asin": "B0B4T73DPG", "price": "", "quantity": ""},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free\nRosemary & Mint8.1 Fl Oz (Pack of 1)", "asin": "B09XS8F3P2", "price": "$44.00", "quantity": ""},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz\n33.8 Fl Oz (Pack of 2)", "asin": "B00C5AHTVQ", "price": "$37.99", "quantity": ""},
{"title": "SheaMoisture Shampoo Hydrate and Repair for Damaged Hair with Manuka Honey and Shea Butter 13 oz\nHoney13 Fl Oz (Pack of 1)", "asin": "B07M6HP787", "price": "$8.96", "quantity": ""},
{"title": "SheaMoisture Daily Hydration Shampoo 100% Virgin Coconut Oil for All Hair Types Sulfate-Free 13 oz\n13 Ounce (Pack of 1)", "asin": "B071DW92PC", "price": "$7.97", "quantity": ""},
{"title": "Nexxus Shampoo Amino Bond for All Types of Damaged Hair with Amino Acids & Keratin Protein 13.5 oz\nFragranced13.5 Fl Oz (Pack of 1)", "asin": "B0CN9LNVJF", "price": "$15.37", "quantity": ""}],
"search_results": [{"title": "Pantene Shampoo & Conditioner Set, Daily Moisture Renewal - Pro-V Nutrients for Dry, Color-Treated, Straight to Curly Hair, 72-Hour Hydration & Softness, 52.8 Oz Total + Miracle Rescue Shot (0.5 Oz)", "asin": "B09GV3RGW2", "price": "$19.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free", "asin": "B09XS8F3P2", "price": "$44.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Herbal Essences Argan Oil Repair Shampoo & Conditioner Set, Moisturizes & Smoothes, Paraben-Free, Color-Safe, pH-Balanced, Citrus Scent, 20.2 Fl Oz, 2-Pack", "asin": "B07NQ69L7P", "price": "$25.61", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole, Fresh Scent, 7 Fl Oz", "asin": "B00AINMFAC", "price": "$15.88"},
{"title": "SheaMoisture Shampoo Hydrate and Repair for Damaged Hair with Manuka Honey and Shea Butter 13 oz", "asin": "B07M6HP787", "price": "$8.96", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole, Fresh Scent, 7 Fl Oz", "asin": "B00AINMFAC", "price": "$15.88"},
{"title": "Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B01N97PCBH", "price": "$3.97", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE pickup"},
{"title": "Mielle Organics Rosemary Mint Strengthening Shampoo Infused with Biotin, Cleanses and Helps Strengthen Weak and Brittle Hair, 12 Ounces", "asin": "B07N7MWX72", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free", "asin": "B09XS8F3P2", "price": "$44.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Dove Shampoo Coconut & Hydration for Dry Hair with Bio-Protein Care Technology and Coconut Oil 28 Fl Oz", "asin": "B0DK5T8527", "price": "$8.84", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nexxus Therappe Shampoo Ultimate Moisture For Dry Hair Silicone-Free 13.5 oz", "asin": "B00SD8JO26", "price": "$9.09", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "SheaMoisture Curl and Shine Coconut Shampoo Coconut and Hibiscus for Curly Hair Paraben Free Shampoo 13 oz", "asin": "B0038TXGL0", "price": "$8.96", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "SheaMoisture Intensive Hydration Shampoo for Dry, Damaged Hair Manuka Honey and Mafura Oil Sulfate-Free 13 oz", "asin": "B00OO0J9UY", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "TRESemm\u00e9 3-in-1 Shampoo, Conditioner, & Detangler Clean & Replenish Pack of 3 to Cleanse, Condition, & Detangle, with Pro Vitamin C & Green Tea, 28 oz", "asin": "B0CSKLX378", "price": "$20.82", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "TRESemm\u00e9 Silky & Smooth Anti-Frizz Conditioner for Frizzy Hair Formulated With Pro Style Technology 28 Fl oz", "asin": "B00TBJSR3I", "price": "$6.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "L'Oreal Paris Elvive Total Repair 5 Repairing Shampoo for Damaged Hair Shampoo with Protein and Ceramide for Strong Silky Shiny Healthy Renewed Hair 28 Fl Oz", "asin": "B07525QJC8", "price": "$7.68", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head & Shoulders Clinical Dandruff Shampoo Twin Pack, Prescription Strength, Oil & Flake Control, Seborrheic Dermatitis Relief, Citrus, 13.5 Fl Oz Each (Set of 2)", "asin": "B08HP54CVQ", "price": "$23.98", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Herbal Essences Rose Hips Shampoo - Smooth, Shiny Hair with Vitamin E & Jojoba, Safe for Color Treated Hair, Floral Scent, Cruelty-Free, Dermatologist-Tested, 29.2 Fl Oz", "asin": "B084LHNR57", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "TRESemm\u00e9 Rich Moisture Shampoo and Conditioner 2 Count Rich Moisture for Dry Hair Formulated With Vitamin E and Biotin 28 oz", "asin": "B076JK8PXX", "price": "$11.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Moroccanoil Hydrating Shampoo", "asin": "B00IYDYDVM", "price": "$80.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Kerastase Genesis Bain Nutri-Fortifiant Shampoo - Reduces Breakage, Strengthens & Hydrates Dry Weakened Hair", "asin": "B083JK13DH", "price": "$44.00", "delivery": " Two-Day FREE delivery Sun, Apr 20"},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz", "asin": "B00C5AHTVQ", "price": "$37.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "SheaMoisture Daily Hydration Shampoo 100% Virgin Coconut Oil for All Hair Types Sulfate-Free 13 oz", "asin": "B071DW92PC", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Mielle Organics Rosemary Mint Strengthening Shampoo Infused with Biotin, Cleanses and Helps Strengthen Weak and Brittle Hair, 12 Ounces", "asin": "B07N7MWX72", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Kerastase Nutritive Bain Satin Shampoo | Gently Cleanses & Replenishes Moisture for Soft, Shiny Hair | With Plant-Based Proteins & Niacinamide | For Fine to Medium Dry Hair", "asin": "B0BZZJYKZ6", "price": "$42.00", "delivery": " Two-Day FREE delivery Sun, Apr 20"},
{"title": "Native Shampoo and Conditioner Set | Sulfate, Paraben, and Dye Free, with Naturally Derived Clean Ingredients| 16.5 oz (Coconut & Vanilla, Moisturizing), 2, 1.3 ounces", "asin": "B0BBBSMV94", "price": "$19.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "CeraVe Gentle Hydrating Shampoo, With Ceramides, Niacinamide & Hyaluronic Acid For Soft, Healthy Looking Hair & Scalp, Sulfate Free & Color Safe Shampoo, For All Hair Types, 12 Oz", "asin": "B0DV42H38H", "price": "$8.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head & Shoulders Shampoo, Daily-Use Anti-Dandruff Paraben Free Treatment, Dry Scalp Care with Almond Oil, 32.1 fl oz, Twin Pack", "asin": "B07NH3RFN2", "price": "$25.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Herbal Essences Hello hydration shampoo shampooing for hair 29.2 FL OZ", "asin": "B084LHV2M1", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head and Shoulders Classic Clean 2-in-1 Anti-Dandruff Shampoo + Conditioner 8.45 Fl Oz", "asin": "B01NAAZEHL", "price": "$7.54", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "TRESemm\u00e9 Rich Moisture Hydrating Shampoo with Pump 4 Count for Dry Hair Formulated With Pro Style Technology 39 fl oz", "asin": "B0BYP7H6FW", "price": "$35.76", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 13 fl. oz", "asin": "B00ADRH2OM", "price": "$5.82", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Pantene Shampoo, Sheer Volume - Lightweight Nourishment for Fine, Color-Treated Hair, 72-Hour Fullness and Body, 27.7 Oz Each, 2-Pack + Miracle Rescue Shot (0.5 Oz)", "asin": "B09GV6M2SH", "price": "$19.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "DOVE MEN + CARE Shampoo Charcoal + Clay 3 Count For Healthy-Looking Hair Naturally Derived Plant Based Cleansers 25.4 oz", "asin": "B08Q74HF4X", "price": "$26.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B0BHMCRDT1", "price": "$8.49", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "OGX Nourishing + Coconut Milk Shampoo, Hydrating & Restoring Shampoo Moisturizes for Soft Hair After the First Use, Paraben-Free, Sulfate-Free Surfactants, 25.4 fl. oz", "asin": "B002KG28PW", "price": "$11.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Moroccanoil Extra Volume Shampoo", "asin": "B005DRXW9G", "price": "$28.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Moroccanoil Moisture Repair Shampoo", "asin": "B00PSAKQOC", "price": "$80.00", "delivery": " Overnight FREE delivery Overnight 4 AM - 8 AM"},
{"title": "TRESemm\u00e9 Rich Moisture Hydrating Shampoo 3 Count for Dry Hair Formulated With Pro Style Technology 28 Fl Oz", "asin": "B08BTMXSG6", "price": "$20.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Paul Mitchell Awapuhi Shampoo, Balances Moisture + Adds Shine, For All Hair Types, Especially Fine + Static-Prone Hair", "asin": "B0007CXXYG", "price": "$30.50", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Paul Mitchell Shampoo One, Cleanses + Balances Moisture, for All Hair Types", "asin": "B0007CXY5E", "price": "$30.50", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Bed Head Tigi Urban Anti+dotes Resurrection Shampoo Damage Level 3,25.36 Ounce", "asin": "B004T19PAC", "price": "$17.07", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Dove Shampoo Volume & Fullness for Fine, Thin Hair with Bio-Protein Care Technology and Biotin 28 Fl Oz", "asin": "B0DK5VKZX9", "price": "$8.84", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Garnier Fructis Grow Strong Shampoo, 33.8 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B074VLGVJ3", "price": "$8.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "OGX Nourishing + Coconut Milk Moisturizing Shampoo, Hydrating & Restoring Shampoo Moisturizes for Soft Hair After the First Use, Paraben-Free, Sulfate-Free Surfactants, 13 fl. oz", "asin": "B000TGEJT8", "price": "$5.82", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Alba Botanica More Moisture Shampoo, Coconut Milk, 32 Oz (Packaging May Vary)", "asin": "B01LY0T8IN", "price": "$15.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 3 Count (Packaging May Vary)", "asin": "B07BVKK11Q", "price": "$13.17", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Biolage Scalp Sync Anti-Dandruff Shampoo - Controls Dandruff & Deeply Cleanses, With Zinc Pyrithione, Vegan & Cruelty-Free, Packaging may vary", "asin": "B00OPTS51I", "price": "$24.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Keratin Complex - Color Care Smoothing Shampoo", "asin": "B07R92B3P3", "price": "$30.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "LOMA Nourishing Shampoo 12 Ounce", "asin": "B00UNS6E72", "price": "$23.00", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "L'Or\u00e9al Professionnel Vitamino Color Shampoo - Protects & Preserves Hair Color, Prevents Damage, Adds Vibrancy & Enhances Shine", "asin": "B097J8HV5B", "price": "$41.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Moroccan Argan Oil Shampoo - Sulfate SLS Paraben Free Moisturizing Treatment for Women and Men - For All Types Including Curly, Dry, Damaged and Oily Hair - Hydrating and Nourishing - Salon Grade", "asin": "B075CYCPX4", "price": "$16.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "R+Co Television Perfect Hair Shampoo | Body + Shine + Smoothing for All Hair Types | Vegan + Cruelty-Free |", "asin": "B078H4HXSM", "price": "$26.60", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Garnier Whole Blends Honey Treasures Repairing Shampoo, for Dry, Damaged Hair, 22 Fl Oz, 2 Count (Packaging May Vary)", "asin": "B07C54P85Y", "price": "$14.19", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Herbal Essences Shampoo for Colored Hair, Paraben-Free, Color Me Happy, 29.2 fl oz", "asin": "B084LJ99NR", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "DOVE MEN+CARE DV M SH Charcoal Pump Purifying Shampoo Charcoal + Clay for Stronger, More Resilient Hair, with Plant-Based Cleansers, 31 oz", "asin": "B0CP6D683W", "price": "$9.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Klorane Strengthening Shampoo with Quinine and Edelweiss for Thinning Hair, Supports Thicker, Stronger, Healthier Hair, For Men and Women Paraben, Silicone and Sulfate Free, 13.5 Fl Oz", "asin": "B000GSYRAA", "price": "$24.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Ginger Lily Farms Club & Fitness Moisturizing Shampoo for All Hair Types, 100% Vegan & Cruelty-Free, Fragrance Free, 1 Gallon (128 fl oz) Refill", "asin": "B0BYL22CPP", "price": "$21.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "L'Oreal Paris Elvive Dream Lengths Restoring Shampoo With Fine Castor Oil and Vitamins B3 and B5 for Long, Damaged Hair, Visibly Repairs Damage Without Weighdown With System, 28 Fl Ounce", "asin": "B088KMMXRG", "price": "$7.69", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Head & Shoulders Royal Oils Moisturizing Shampoo, Anti Dandruff Treatment for Natural, Curly, and Coily Hair, with Coconut Oil and Apple Cider Vinegar, Sulfate, Paraben & Dye-Free, 12.8 Fl Oz", "asin": "B09CJHSWPK", "price": "$6.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Avalon Organics Therapy Biotin B-Complex Thickening Shampoo, 32 oz", "asin": "B008OL3UYK", "price": "$17.69", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "ATTITUDE Volume and Shine Hair Shampoo, EWG Verified, For Thin Hair, Naturally Derived Ingredients, Vegan and Plant Based, Soy Protein And Cranberries, 32 Fl Oz", "asin": "B08YF97RM5", "price": "$19.95", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Aveeno Farm-Fresh Oat Milk Sulfate-Free Shampoo with Colloidal Oatmeal & Almond Milk, Moisturizing Shampoo for All Hair Types, Safe for Color-Treated Hair, Paraben & Dye-Free, 12 Fl Oz", "asin": "B07HMJTH7G", "price": "$7.98", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "L'Oreal Paris Elvive Hyaluron Plump Hydrating Shampoo for Dehydrated, Dry Hair Infused with Hyaluronic Acid Care Complex, Paraben-Free, 26.5 Fl Oz", "asin": "B0BCQZT2V4", "price": "$7.69", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"}]
<|observation_end|>

# Output Format
Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
"<answer>
{
"timestamp": "2025-04-18T16:57:20.280Z", // the timestamp when this action occurs.
"action": "string", // select one plausible action from: input, click_product, purchase, or click.
"acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

user
<|im_start|>system
You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
<|im_end|>
<|im_start|>user
You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 

<|actionspace_start|>
Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
1. input:
Action: Type text into an input field to search for a specific product. 
Action Argument: the input_text is the specific text entered by the customer.
{
"timestamp": "timestamp",
"action": "input",
"action_argument": "input_text",
}

2. click:
Action: Click on a UI interface button or clickable element on the Amazon website.
Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "clickable_name",
}

3. click_product:
Action: Click on product links or product images.
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
{
"timestamp": "timestamp",
"action": "click_product",
"action_argument": "product_asin",
}

4. purchase:
Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
{
"timestamp": "timestamp",
"action": "purchase",
"action_argument": "product_asin",
}
<|actionspace_end|>

<|memory_start|>
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-18T16:57:08.708Z", "action": "click", "action_argument": "search"}
<|action_end|>

<|observation_start|>
Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
"search_term": [{"term": "shampoo"}],
"cart_items": [{"title": "Cat6a Ethernet Cable Slim 35ft Outdoor&Indoor, 28AWG Pure Copper Cat6 Internet Cable for Waterproof & Direct Burial, Flexible Cat6 Ethernet Cable 10G 550MHZ, Cat 6 Network cable for Indoor Black", "asin": "B0D9GHGYDV", "price": "$6.99", "quantity": "1"},
{"title": "DEFACE Cat 8 Ethernet Cable 40 Ft Cat8 Internet Cable Flat Gigabit High Speed Shielded RJ45 LAN Cable for PS4, Xbox, Router, Modem, Gaming, White", "asin": "B084VPY8FN", "price": "$15.59", "quantity": "1"}],
"promotion_items": [{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free\nRosemary & Mint8.1 Fl Oz (Pack of 1)", "asin": "B09XS8F3P2", "price": "$44.00", "quantity": ""},
{"title": "Kerastase Genesis Bain Nutri-Fortifiant Shampoo - Reduces Breakage, Strengthens & Hydrates Dry Weakened Hair\nFloral8.5 Fl Oz (Pack of 1)", "asin": "B083JK13DH", "price": "$44.00", "quantity": ""},
{"title": "Kerastase Nutritive Bain Satin Shampoo | Gently Cleanses & Replenishes Moisture for Soft, Shiny Hair | With Plant-Based Proteins & Niacinamide | For Fine to Medium Dry Hair\nFloral, Musk8.5 Fl Oz (Pack of 1)", "asin": "B0BZZJYKZ6", "price": "$42.00", "quantity": ""},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz\n33.8 Fl Oz (Pack of 2)", "asin": "B00C5AHTVQ", "price": "$37.99", "quantity": ""},
{"title": "", "asin": "B0B4T73DPG", "price": "", "quantity": ""},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free\nRosemary & Mint8.1 Fl Oz (Pack of 1)", "asin": "B09XS8F3P2", "price": "$44.00", "quantity": ""},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz\n33.8 Fl Oz (Pack of 2)", "asin": "B00C5AHTVQ", "price": "$37.99", "quantity": ""},
{"title": "SheaMoisture Shampoo Hydrate and Repair for Damaged Hair with Manuka Honey and Shea Butter 13 oz\nHoney13 Fl Oz (Pack of 1)", "asin": "B07M6HP787", "price": "$8.96", "quantity": ""},
{"title": "SheaMoisture Daily Hydration Shampoo 100% Virgin Coconut Oil for All Hair Types Sulfate-Free 13 oz\n13 Ounce (Pack of 1)", "asin": "B071DW92PC", "price": "$7.97", "quantity": ""},
{"title": "Nexxus Shampoo Amino Bond for All Types of Damaged Hair with Amino Acids & Keratin Protein 13.5 oz\nFragranced13.5 Fl Oz (Pack of 1)", "asin": "B0CN9LNVJF", "price": "$15.37", "quantity": ""}],
"search_results": [{"title": "Pantene Shampoo & Conditioner Set, Daily Moisture Renewal - Pro-V Nutrients for Dry, Color-Treated, Straight to Curly Hair, 72-Hour Hydration & Softness, 52.8 Oz Total + Miracle Rescue Shot (0.5 Oz)", "asin": "B09GV3RGW2", "price": "$19.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free", "asin": "B09XS8F3P2", "price": "$44.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Herbal Essences Argan Oil Repair Shampoo & Conditioner Set, Moisturizes & Smoothes, Paraben-Free, Color-Safe, pH-Balanced, Citrus Scent, 20.2 Fl Oz, 2-Pack", "asin": "B07NQ69L7P", "price": "$25.61", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole, Fresh Scent, 7 Fl Oz", "asin": "B00AINMFAC", "price": "$15.88"},
{"title": "SheaMoisture Shampoo Hydrate and Repair for Damaged Hair with Manuka Honey and Shea Butter 13 oz", "asin": "B07M6HP787", "price": "$8.96", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole, Fresh Scent, 7 Fl Oz", "asin": "B00AINMFAC", "price": "$15.88"},
{"title": "Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B01N97PCBH", "price": "$3.97", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE pickup"},
{"title": "Mielle Organics Rosemary Mint Strengthening Shampoo Infused with Biotin, Cleanses and Helps Strengthen Weak and Brittle Hair, 12 Ounces", "asin": "B07N7MWX72", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free", "asin": "B09XS8F3P2", "price": "$44.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Dove Shampoo Coconut & Hydration for Dry Hair with Bio-Protein Care Technology and Coconut Oil 28 Fl Oz", "asin": "B0DK5T8527", "price": "$8.84", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nexxus Therappe Shampoo Ultimate Moisture For Dry Hair Silicone-Free 13.5 oz", "asin": "B00SD8JO26", "price": "$9.09", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "SheaMoisture Curl and Shine Coconut Shampoo Coconut and Hibiscus for Curly Hair Paraben Free Shampoo 13 oz", "asin": "B0038TXGL0", "price": "$8.96", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "SheaMoisture Intensive Hydration Shampoo for Dry, Damaged Hair Manuka Honey and Mafura Oil Sulfate-Free 13 oz", "asin": "B00OO0J9UY", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "TRESemm\u00e9 3-in-1 Shampoo, Conditioner, & Detangler Clean & Replenish Pack of 3 to Cleanse, Condition, & Detangle, with Pro Vitamin C & Green Tea, 28 oz", "asin": "B0CSKLX378", "price": "$20.82", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "TRESemm\u00e9 Silky & Smooth Anti-Frizz Conditioner for Frizzy Hair Formulated With Pro Style Technology 28 Fl oz", "asin": "B00TBJSR3I", "price": "$6.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "L'Oreal Paris Elvive Total Repair 5 Repairing Shampoo for Damaged Hair Shampoo with Protein and Ceramide for Strong Silky Shiny Healthy Renewed Hair 28 Fl Oz", "asin": "B07525QJC8", "price": "$7.68", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head & Shoulders Clinical Dandruff Shampoo Twin Pack, Prescription Strength, Oil & Flake Control, Seborrheic Dermatitis Relief, Citrus, 13.5 Fl Oz Each (Set of 2)", "asin": "B08HP54CVQ", "price": "$23.98", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Herbal Essences Rose Hips Shampoo - Smooth, Shiny Hair with Vitamin E & Jojoba, Safe for Color Treated Hair, Floral Scent, Cruelty-Free, Dermatologist-Tested, 29.2 Fl Oz", "asin": "B084LHNR57", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "TRESemm\u00e9 Rich Moisture Shampoo and Conditioner 2 Count Rich Moisture for Dry Hair Formulated With Vitamin E and Biotin 28 oz", "asin": "B076JK8PXX", "price": "$11.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Moroccanoil Hydrating Shampoo", "asin": "B00IYDYDVM", "price": "$80.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Kerastase Genesis Bain Nutri-Fortifiant Shampoo - Reduces Breakage, Strengthens & Hydrates Dry Weakened Hair", "asin": "B083JK13DH", "price": "$44.00", "delivery": " Two-Day FREE delivery Sun, Apr 20"},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz", "asin": "B00C5AHTVQ", "price": "$37.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "SheaMoisture Daily Hydration Shampoo 100% Virgin Coconut Oil for All Hair Types Sulfate-Free 13 oz", "asin": "B071DW92PC", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Mielle Organics Rosemary Mint Strengthening Shampoo Infused with Biotin, Cleanses and Helps Strengthen Weak and Brittle Hair, 12 Ounces", "asin": "B07N7MWX72", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Kerastase Nutritive Bain Satin Shampoo | Gently Cleanses & Replenishes Moisture for Soft, Shiny Hair | With Plant-Based Proteins & Niacinamide | For Fine to Medium Dry Hair", "asin": "B0BZZJYKZ6", "price": "$42.00", "delivery": " Two-Day FREE delivery Sun, Apr 20"},
{"title": "Native Shampoo and Conditioner Set | Sulfate, Paraben, and Dye Free, with Naturally Derived Clean Ingredients| 16.5 oz (Coconut & Vanilla, Moisturizing), 2, 1.3 ounces", "asin": "B0BBBSMV94", "price": "$19.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "CeraVe Gentle Hydrating Shampoo, With Ceramides, Niacinamide & Hyaluronic Acid For Soft, Healthy Looking Hair & Scalp, Sulfate Free & Color Safe Shampoo, For All Hair Types, 12 Oz", "asin": "B0DV42H38H", "price": "$8.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head & Shoulders Shampoo, Daily-Use Anti-Dandruff Paraben Free Treatment, Dry Scalp Care with Almond Oil, 32.1 fl oz, Twin Pack", "asin": "B07NH3RFN2", "price": "$25.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Herbal Essences Hello hydration shampoo shampooing for hair 29.2 FL OZ", "asin": "B084LHV2M1", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head and Shoulders Classic Clean 2-in-1 Anti-Dandruff Shampoo + Conditioner 8.45 Fl Oz", "asin": "B01NAAZEHL", "price": "$7.54", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "TRESemm\u00e9 Rich Moisture Hydrating Shampoo with Pump 4 Count for Dry Hair Formulated With Pro Style Technology 39 fl oz", "asin": "B0BYP7H6FW", "price": "$35.76", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 13 fl. oz", "asin": "B00ADRH2OM", "price": "$5.82", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Pantene Shampoo, Sheer Volume - Lightweight Nourishment for Fine, Color-Treated Hair, 72-Hour Fullness and Body, 27.7 Oz Each, 2-Pack + Miracle Rescue Shot (0.5 Oz)", "asin": "B09GV6M2SH", "price": "$19.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "DOVE MEN + CARE Shampoo Charcoal + Clay 3 Count For Healthy-Looking Hair Naturally Derived Plant Based Cleansers 25.4 oz", "asin": "B08Q74HF4X", "price": "$26.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B0BHMCRDT1", "price": "$8.49", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "OGX Nourishing + Coconut Milk Shampoo, Hydrating & Restoring Shampoo Moisturizes for Soft Hair After the First Use, Paraben-Free, Sulfate-Free Surfactants, 25.4 fl. oz", "asin": "B002KG28PW", "price": "$11.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Moroccanoil Extra Volume Shampoo", "asin": "B005DRXW9G", "price": "$28.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Moroccanoil Moisture Repair Shampoo", "asin": "B00PSAKQOC", "price": "$80.00", "delivery": " Overnight FREE delivery Overnight 4 AM - 8 AM"},
{"title": "TRESemm\u00e9 Rich Moisture Hydrating Shampoo 3 Count for Dry Hair Formulated With Pro Style Technology 28 Fl Oz", "asin": "B08BTMXSG6", "price": "$20.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Paul Mitchell Awapuhi Shampoo, Balances Moisture + Adds Shine, For All Hair Types, Especially Fine + Static-Prone Hair", "asin": "B0007CXXYG", "price": "$30.50", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Paul Mitchell Shampoo One, Cleanses + Balances Moisture, for All Hair Types", "asin": "B0007CXY5E", "price": "$30.50", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Bed Head Tigi Urban Anti+dotes Resurrection Shampoo Damage Level 3,25.36 Ounce", "asin": "B004T19PAC", "price": "$17.07", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Dove Shampoo Volume & Fullness for Fine, Thin Hair with Bio-Protein Care Technology and Biotin 28 Fl Oz", "asin": "B0DK5VKZX9", "price": "$8.84", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Garnier Fructis Grow Strong Shampoo, 33.8 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B074VLGVJ3", "price": "$8.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "OGX Nourishing + Coconut Milk Moisturizing Shampoo, Hydrating & Restoring Shampoo Moisturizes for Soft Hair After the First Use, Paraben-Free, Sulfate-Free Surfactants, 13 fl. oz", "asin": "B000TGEJT8", "price": "$5.82", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Alba Botanica More Moisture Shampoo, Coconut Milk, 32 Oz (Packaging May Vary)", "asin": "B01LY0T8IN", "price": "$15.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 3 Count (Packaging May Vary)", "asin": "B07BVKK11Q", "price": "$13.17", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Biolage Scalp Sync Anti-Dandruff Shampoo - Controls Dandruff & Deeply Cleanses, With Zinc Pyrithione, Vegan & Cruelty-Free, Packaging may vary", "asin": "B00OPTS51I", "price": "$24.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Keratin Complex - Color Care Smoothing Shampoo", "asin": "B07R92B3P3", "price": "$30.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "LOMA Nourishing Shampoo 12 Ounce", "asin": "B00UNS6E72", "price": "$23.00", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "L'Or\u00e9al Professionnel Vitamino Color Shampoo - Protects & Preserves Hair Color, Prevents Damage, Adds Vibrancy & Enhances Shine", "asin": "B097J8HV5B", "price": "$41.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Moroccan Argan Oil Shampoo - Sulfate SLS Paraben Free Moisturizing Treatment for Women and Men - For All Types Including Curly, Dry, Damaged and Oily Hair - Hydrating and Nourishing - Salon Grade", "asin": "B075CYCPX4", "price": "$16.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "R+Co Television Perfect Hair Shampoo | Body + Shine + Smoothing for All Hair Types | Vegan + Cruelty-Free |", "asin": "B078H4HXSM", "price": "$26.60", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Garnier Whole Blends Honey Treasures Repairing Shampoo, for Dry, Damaged Hair, 22 Fl Oz, 2 Count (Packaging May Vary)", "asin": "B07C54P85Y", "price": "$14.19", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Herbal Essences Shampoo for Colored Hair, Paraben-Free, Color Me Happy, 29.2 fl oz", "asin": "B084LJ99NR", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "DOVE MEN+CARE DV M SH Charcoal Pump Purifying Shampoo Charcoal + Clay for Stronger, More Resilient Hair, with Plant-Based Cleansers, 31 oz", "asin": "B0CP6D683W", "price": "$9.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Klorane Strengthening Shampoo with Quinine and Edelweiss for Thinning Hair, Supports Thicker, Stronger, Healthier Hair, For Men and Women Paraben, Silicone and Sulfate Free, 13.5 Fl Oz", "asin": "B000GSYRAA", "price": "$24.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Ginger Lily Farms Club & Fitness Moisturizing Shampoo for All Hair Types, 100% Vegan & Cruelty-Free, Fragrance Free, 1 Gallon (128 fl oz) Refill", "asin": "B0BYL22CPP", "price": "$21.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "L'Oreal Paris Elvive Dream Lengths Restoring Shampoo With Fine Castor Oil and Vitamins B3 and B5 for Long, Damaged Hair, Visibly Repairs Damage Without Weighdown With System, 28 Fl Ounce", "asin": "B088KMMXRG", "price": "$7.69", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Head & Shoulders Royal Oils Moisturizing Shampoo, Anti Dandruff Treatment for Natural, Curly, and Coily Hair, with Coconut Oil and Apple Cider Vinegar, Sulfate, Paraben & Dye-Free, 12.8 Fl Oz", "asin": "B09CJHSWPK", "price": "$6.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Avalon Organics Therapy Biotin B-Complex Thickening Shampoo, 32 oz", "asin": "B008OL3UYK", "price": "$17.69", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "ATTITUDE Volume and Shine Hair Shampoo, EWG Verified, For Thin Hair, Naturally Derived Ingredients, Vegan and Plant Based, Soy Protein And Cranberries, 32 Fl Oz", "asin": "B08YF97RM5", "price": "$19.95", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Aveeno Farm-Fresh Oat Milk Sulfate-Free Shampoo with Colloidal Oatmeal & Almond Milk, Moisturizing Shampoo for All Hair Types, Safe for Color-Treated Hair, Paraben & Dye-Free, 12 Fl Oz", "asin": "B07HMJTH7G", "price": "$7.98", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "L'Oreal Paris Elvive Hyaluron Plump Hydrating Shampoo for Dehydrated, Dry Hair Infused with Hyaluronic Acid Care Complex, Paraben-Free, 26.5 Fl Oz", "asin": "B0BCQZT2V4", "price": "$7.69", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"}]
<|observation_end|>

# Output Format
Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
"<answer>
{
"timestamp": "2025-04-18T16:57:20.280Z", // the timestamp when this action occurs.
"action": "string", // select one plausible action from: input, click_product, purchase, or click.
"acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

<answer>{"timestamp": "2025-04-18T16:57:20.280Z","action": "click","acion_argument": "search",}</answer>
rule
<answer>{"timestamp": "2025-04-18T16:57:20.280Z","action": "click","acion_argument": "search",}</answer>
<|im_start|>system
You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
<|im_end|>
<|im_start|>user
You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 

<|actionspace_start|>
Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
1. input:
Action: Type text into an input field to search for a specific product. 
Action Argument: the input_text is the specific text entered by the customer.
{
"timestamp": "timestamp",
"action": "input",
"action_argument": "input_text",
}

2. click:
Action: Click on a UI interface button or clickable element on the Amazon website.
Action Argument: The clickable_name is one of the UI interface buttons or clickable elements including "review", "search", "product_option", "other", "nav_bar", "quantity", "page_related", "suggested_term", "cart_side_bar", "cart_page_select", and "filter". Select one of these buttons or clickable elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "clickable_name",
}

3. click_product:
Action: Click on product links or product images.
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
{
"timestamp": "timestamp",
"action": "click_product",
"action_argument": "product_asin",
}

4. purchase:
Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
{
"timestamp": "timestamp",
"action": "purchase",
"action_argument": "product_asin",
}
<|actionspace_end|>

<|memory_start|>
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-18T16:57:08.708Z", "action": "click", "action_argument": "search"}
<|action_end|>

<|observation_start|>
Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
"search_term": [{"term": "shampoo"}],
"cart_items": [{"title": "Cat6a Ethernet Cable Slim 35ft Outdoor&Indoor, 28AWG Pure Copper Cat6 Internet Cable for Waterproof & Direct Burial, Flexible Cat6 Ethernet Cable 10G 550MHZ, Cat 6 Network cable for Indoor Black", "asin": "B0D9GHGYDV", "price": "$6.99", "quantity": "1"},
{"title": "DEFACE Cat 8 Ethernet Cable 40 Ft Cat8 Internet Cable Flat Gigabit High Speed Shielded RJ45 LAN Cable for PS4, Xbox, Router, Modem, Gaming, White", "asin": "B084VPY8FN", "price": "$15.59", "quantity": "1"}],
"promotion_items": [{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free\nRosemary & Mint8.1 Fl Oz (Pack of 1)", "asin": "B09XS8F3P2", "price": "$44.00", "quantity": ""},
{"title": "Kerastase Genesis Bain Nutri-Fortifiant Shampoo - Reduces Breakage, Strengthens & Hydrates Dry Weakened Hair\nFloral8.5 Fl Oz (Pack of 1)", "asin": "B083JK13DH", "price": "$44.00", "quantity": ""},
{"title": "Kerastase Nutritive Bain Satin Shampoo | Gently Cleanses & Replenishes Moisture for Soft, Shiny Hair | With Plant-Based Proteins & Niacinamide | For Fine to Medium Dry Hair\nFloral, Musk8.5 Fl Oz (Pack of 1)", "asin": "B0BZZJYKZ6", "price": "$42.00", "quantity": ""},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz\n33.8 Fl Oz (Pack of 2)", "asin": "B00C5AHTVQ", "price": "$37.99", "quantity": ""},
{"title": "", "asin": "B0B4T73DPG", "price": "", "quantity": ""},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free\nRosemary & Mint8.1 Fl Oz (Pack of 1)", "asin": "B09XS8F3P2", "price": "$44.00", "quantity": ""},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz\n33.8 Fl Oz (Pack of 2)", "asin": "B00C5AHTVQ", "price": "$37.99", "quantity": ""},
{"title": "SheaMoisture Shampoo Hydrate and Repair for Damaged Hair with Manuka Honey and Shea Butter 13 oz\nHoney13 Fl Oz (Pack of 1)", "asin": "B07M6HP787", "price": "$8.96", "quantity": ""},
{"title": "SheaMoisture Daily Hydration Shampoo 100% Virgin Coconut Oil for All Hair Types Sulfate-Free 13 oz\n13 Ounce (Pack of 1)", "asin": "B071DW92PC", "price": "$7.97", "quantity": ""},
{"title": "Nexxus Shampoo Amino Bond for All Types of Damaged Hair with Amino Acids & Keratin Protein 13.5 oz\nFragranced13.5 Fl Oz (Pack of 1)", "asin": "B0CN9LNVJF", "price": "$15.37", "quantity": ""}],
"search_results": [{"title": "Pantene Shampoo & Conditioner Set, Daily Moisture Renewal - Pro-V Nutrients for Dry, Color-Treated, Straight to Curly Hair, 72-Hour Hydration & Softness, 52.8 Oz Total + Miracle Rescue Shot (0.5 Oz)", "asin": "B09GV3RGW2", "price": "$19.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free", "asin": "B09XS8F3P2", "price": "$44.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Herbal Essences Argan Oil Repair Shampoo & Conditioner Set, Moisturizes & Smoothes, Paraben-Free, Color-Safe, pH-Balanced, Citrus Scent, 20.2 Fl Oz, 2-Pack", "asin": "B07NQ69L7P", "price": "$25.61", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole, Fresh Scent, 7 Fl Oz", "asin": "B00AINMFAC", "price": "$15.88"},
{"title": "SheaMoisture Shampoo Hydrate and Repair for Damaged Hair with Manuka Honey and Shea Butter 13 oz", "asin": "B07M6HP787", "price": "$8.96", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole, Fresh Scent, 7 Fl Oz", "asin": "B00AINMFAC", "price": "$15.88"},
{"title": "Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B01N97PCBH", "price": "$3.97", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE pickup"},
{"title": "Mielle Organics Rosemary Mint Strengthening Shampoo Infused with Biotin, Cleanses and Helps Strengthen Weak and Brittle Hair, 12 Ounces", "asin": "B07N7MWX72", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nutrafol Shampoo, Cleanse and Hydrate Hair and Scalp, Improves Hair Volume, Strength and Texture, Physician-formulated for Thinning Hair, Color Safe, Sulfate Free", "asin": "B09XS8F3P2", "price": "$44.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Dove Shampoo Coconut & Hydration for Dry Hair with Bio-Protein Care Technology and Coconut Oil 28 Fl Oz", "asin": "B0DK5T8527", "price": "$8.84", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Nexxus Therappe Shampoo Ultimate Moisture For Dry Hair Silicone-Free 13.5 oz", "asin": "B00SD8JO26", "price": "$9.09", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "SheaMoisture Curl and Shine Coconut Shampoo Coconut and Hibiscus for Curly Hair Paraben Free Shampoo 13 oz", "asin": "B0038TXGL0", "price": "$8.96", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "SheaMoisture Intensive Hydration Shampoo for Dry, Damaged Hair Manuka Honey and Mafura Oil Sulfate-Free 13 oz", "asin": "B00OO0J9UY", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "TRESemm\u00e9 3-in-1 Shampoo, Conditioner, & Detangler Clean & Replenish Pack of 3 to Cleanse, Condition, & Detangle, with Pro Vitamin C & Green Tea, 28 oz", "asin": "B0CSKLX378", "price": "$20.82", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "TRESemm\u00e9 Silky & Smooth Anti-Frizz Conditioner for Frizzy Hair Formulated With Pro Style Technology 28 Fl oz", "asin": "B00TBJSR3I", "price": "$6.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "L'Oreal Paris Elvive Total Repair 5 Repairing Shampoo for Damaged Hair Shampoo with Protein and Ceramide for Strong Silky Shiny Healthy Renewed Hair 28 Fl Oz", "asin": "B07525QJC8", "price": "$7.68", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head & Shoulders Clinical Dandruff Shampoo Twin Pack, Prescription Strength, Oil & Flake Control, Seborrheic Dermatitis Relief, Citrus, 13.5 Fl Oz Each (Set of 2)", "asin": "B08HP54CVQ", "price": "$23.98", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Herbal Essences Rose Hips Shampoo - Smooth, Shiny Hair with Vitamin E & Jojoba, Safe for Color Treated Hair, Floral Scent, Cruelty-Free, Dermatologist-Tested, 29.2 Fl Oz", "asin": "B084LHNR57", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "TRESemm\u00e9 Rich Moisture Shampoo and Conditioner 2 Count Rich Moisture for Dry Hair Formulated With Vitamin E and Biotin 28 oz", "asin": "B076JK8PXX", "price": "$11.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Moroccanoil Hydrating Shampoo", "asin": "B00IYDYDVM", "price": "$80.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Kerastase Genesis Bain Nutri-Fortifiant Shampoo - Reduces Breakage, Strengthens & Hydrates Dry Weakened Hair", "asin": "B083JK13DH", "price": "$44.00", "delivery": " Two-Day FREE delivery Sun, Apr 20"},
{"title": "Nexxus Shampoo and Conditioner Therappe Humectress 2 Count for Dry Hair Silicone-Free, Moisturizing Caviar Complex and Elastin Protein 33.8 oz", "asin": "B00C5AHTVQ", "price": "$37.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "SheaMoisture Daily Hydration Shampoo 100% Virgin Coconut Oil for All Hair Types Sulfate-Free 13 oz", "asin": "B071DW92PC", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Mielle Organics Rosemary Mint Strengthening Shampoo Infused with Biotin, Cleanses and Helps Strengthen Weak and Brittle Hair, 12 Ounces", "asin": "B07N7MWX72", "price": "$9.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Kerastase Nutritive Bain Satin Shampoo | Gently Cleanses & Replenishes Moisture for Soft, Shiny Hair | With Plant-Based Proteins & Niacinamide | For Fine to Medium Dry Hair", "asin": "B0BZZJYKZ6", "price": "$42.00", "delivery": " Two-Day FREE delivery Sun, Apr 20"},
{"title": "Native Shampoo and Conditioner Set | Sulfate, Paraben, and Dye Free, with Naturally Derived Clean Ingredients| 16.5 oz (Coconut & Vanilla, Moisturizing), 2, 1.3 ounces", "asin": "B0BBBSMV94", "price": "$19.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "CeraVe Gentle Hydrating Shampoo, With Ceramides, Niacinamide & Hyaluronic Acid For Soft, Healthy Looking Hair & Scalp, Sulfate Free & Color Safe Shampoo, For All Hair Types, 12 Oz", "asin": "B0DV42H38H", "price": "$8.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head & Shoulders Shampoo, Daily-Use Anti-Dandruff Paraben Free Treatment, Dry Scalp Care with Almond Oil, 32.1 fl oz, Twin Pack", "asin": "B07NH3RFN2", "price": "$25.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Herbal Essences Hello hydration shampoo shampooing for hair 29.2 FL OZ", "asin": "B084LHV2M1", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Head and Shoulders Classic Clean 2-in-1 Anti-Dandruff Shampoo + Conditioner 8.45 Fl Oz", "asin": "B01NAAZEHL", "price": "$7.54", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "TRESemm\u00e9 Rich Moisture Hydrating Shampoo with Pump 4 Count for Dry Hair Formulated With Pro Style Technology 39 fl oz", "asin": "B0BYP7H6FW", "price": "$35.76", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 13 fl. oz", "asin": "B00ADRH2OM", "price": "$5.82", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Pantene Shampoo, Sheer Volume - Lightweight Nourishment for Fine, Color-Treated Hair, 72-Hour Fullness and Body, 27.7 Oz Each, 2-Pack + Miracle Rescue Shot (0.5 Oz)", "asin": "B09GV6M2SH", "price": "$19.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "DOVE MEN + CARE Shampoo Charcoal + Clay 3 Count For Healthy-Looking Hair Naturally Derived Plant Based Cleansers 25.4 oz", "asin": "B08Q74HF4X", "price": "$26.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B0BHMCRDT1", "price": "$8.49", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "OGX Nourishing + Coconut Milk Shampoo, Hydrating & Restoring Shampoo Moisturizes for Soft Hair After the First Use, Paraben-Free, Sulfate-Free Surfactants, 25.4 fl. oz", "asin": "B002KG28PW", "price": "$11.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Moroccanoil Extra Volume Shampoo", "asin": "B005DRXW9G", "price": "$28.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Moroccanoil Moisture Repair Shampoo", "asin": "B00PSAKQOC", "price": "$80.00", "delivery": " Overnight FREE delivery Overnight 4 AM - 8 AM"},
{"title": "TRESemm\u00e9 Rich Moisture Hydrating Shampoo 3 Count for Dry Hair Formulated With Pro Style Technology 28 Fl Oz", "asin": "B08BTMXSG6", "price": "$20.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Paul Mitchell Awapuhi Shampoo, Balances Moisture + Adds Shine, For All Hair Types, Especially Fine + Static-Prone Hair", "asin": "B0007CXXYG", "price": "$30.50", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Paul Mitchell Shampoo One, Cleanses + Balances Moisture, for All Hair Types", "asin": "B0007CXY5E", "price": "$30.50", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Bed Head Tigi Urban Anti+dotes Resurrection Shampoo Damage Level 3,25.36 Ounce", "asin": "B004T19PAC", "price": "$17.07", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Dove Shampoo Volume & Fullness for Fine, Thin Hair with Bio-Protein Care Technology and Biotin 28 Fl Oz", "asin": "B0DK5VKZX9", "price": "$8.84", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Garnier Fructis Grow Strong Shampoo, 33.8 Fl Oz, 1 Count (Packaging May Vary)", "asin": "B074VLGVJ3", "price": "$8.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "OGX Nourishing + Coconut Milk Moisturizing Shampoo, Hydrating & Restoring Shampoo Moisturizes for Soft Hair After the First Use, Paraben-Free, Sulfate-Free Surfactants, 13 fl. oz", "asin": "B000TGEJT8", "price": "$5.82", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "Alba Botanica More Moisture Shampoo, Coconut Milk, 32 Oz (Packaging May Vary)", "asin": "B01LY0T8IN", "price": "$15.99", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 3 Count (Packaging May Vary)", "asin": "B07BVKK11Q", "price": "$13.17", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Biolage Scalp Sync Anti-Dandruff Shampoo - Controls Dandruff & Deeply Cleanses, With Zinc Pyrithione, Vegan & Cruelty-Free, Packaging may vary", "asin": "B00OPTS51I", "price": "$24.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Keratin Complex - Color Care Smoothing Shampoo", "asin": "B07R92B3P3", "price": "$30.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "LOMA Nourishing Shampoo 12 Ounce", "asin": "B00UNS6E72", "price": "$23.00", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "L'Or\u00e9al Professionnel Vitamino Color Shampoo - Protects & Preserves Hair Color, Prevents Damage, Adds Vibrancy & Enhances Shine", "asin": "B097J8HV5B", "price": "$41.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM"},
{"title": "Moroccan Argan Oil Shampoo - Sulfate SLS Paraben Free Moisturizing Treatment for Women and Men - For All Types Including Curly, Dry, Damaged and Oily Hair - Hydrating and Nourishing - Salon Grade", "asin": "B075CYCPX4", "price": "$16.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "R+Co Television Perfect Hair Shampoo | Body + Shine + Smoothing for All Hair Types | Vegan + Cruelty-Free |", "asin": "B078H4HXSM", "price": "$26.60", "delivery": " One-Day FREE delivery Tomorrow, Apr 19"},
{"title": "Garnier Whole Blends Honey Treasures Repairing Shampoo, for Dry, Damaged Hair, 22 Fl Oz, 2 Count (Packaging May Vary)", "asin": "B07C54P85Y", "price": "$14.19", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Herbal Essences Shampoo for Colored Hair, Paraben-Free, Color Me Happy, 29.2 fl oz", "asin": "B084LJ99NR", "price": "$7.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "DOVE MEN+CARE DV M SH Charcoal Pump Purifying Shampoo Charcoal + Clay for Stronger, More Resilient Hair, with Plant-Based Cleansers, 31 oz", "asin": "B0CP6D683W", "price": "$9.94", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Klorane Strengthening Shampoo with Quinine and Edelweiss for Thinning Hair, Supports Thicker, Stronger, Healthier Hair, For Men and Women Paraben, Silicone and Sulfate Free, 13.5 Fl Oz", "asin": "B000GSYRAA", "price": "$24.00", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Ginger Lily Farms Club & Fitness Moisturizing Shampoo for All Hair Types, 100% Vegan & Cruelty-Free, Fragrance Free, 1 Gallon (128 fl oz) Refill", "asin": "B0BYL22CPP", "price": "$21.99", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "L'Oreal Paris Elvive Dream Lengths Restoring Shampoo With Fine Castor Oil and Vitamins B3 and B5 for Long, Damaged Hair, Visibly Repairs Damage Without Weighdown With System, 28 Fl Ounce", "asin": "B088KMMXRG", "price": "$7.69", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Head & Shoulders Royal Oils Moisturizing Shampoo, Anti Dandruff Treatment for Natural, Curly, and Coily Hair, with Coconut Oil and Apple Cider Vinegar, Sulfate, Paraben & Dye-Free, 12.8 Fl Oz", "asin": "B09CJHSWPK", "price": "$6.97", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "Avalon Organics Therapy Biotin B-Complex Thickening Shampoo, 32 oz", "asin": "B008OL3UYK", "price": "$17.69", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items Or FREE pickup"},
{"title": "ATTITUDE Volume and Shine Hair Shampoo, EWG Verified, For Thin Hair, Naturally Derived Ingredients, Vegan and Plant Based, Soy Protein And Cranberries, 32 Fl Oz", "asin": "B08YF97RM5", "price": "$19.95", "delivery": " One-Day FREE delivery Tomorrow, Apr 19 Or FREE delivery Overnight 4 AM - 8 AM on $25 of qualifying items"},
{"title": "Aveeno Farm-Fresh Oat Milk Sulfate-Free Shampoo with Colloidal Oatmeal & Almond Milk, Moisturizing Shampoo for All Hair Types, Safe for Color-Treated Hair, Paraben & Dye-Free, 12 Fl Oz", "asin": "B07HMJTH7G", "price": "$7.98", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"},
{"title": "L'Oreal Paris Elvive Hyaluron Plump Hydrating Shampoo for Dehydrated, Dry Hair Infused with Hyaluronic Acid Care Complex, Paraben-Free, 26.5 Fl Oz", "asin": "B0BCQZT2V4", "price": "$7.69", "delivery": " Same-Day FREE delivery Today 2 PM - 6 PM on $25 of qualifying items"}]
<|observation_end|>

# Output Format
Please provide your final answer in JSON format within <answer></answer> tags using the following schema (Note that the thinking process should be within 250 words and give enough output space for final answer):
"<answer>
{
"timestamp": "2025-04-18T16:57:20.280Z", // the timestamp when this action occurs.
"action": "string", // select one plausible action from: input, click_product, purchase, or click.
"acion_argument": "string", // select appropriate value based on action type: input_text, product_asin, clickable_name.
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

train