<|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|>
{"timestamp": "2025-04-07T16:44:02.143Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-04-07T16:44:31.574Z", "action": "input", "action_argument": "ugly stick "}
{"timestamp": "2025-04-07T16:44:31.665Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-07T16:44:48.810Z", "action": "click", "action_argument": "filter"}
{"timestamp": "2025-04-09T23:56:10.752Z", "action": "input", "action_argument": "fish oil"}
{"timestamp": "2025-04-09T23:56:10.923Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-05-01T14:25:59.858Z", "action": "input", "action_argument": "fish oil"}
{"timestamp": "2025-05-01T14:26:00.144Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-05-01T14:26:28.305Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-05-01T14:26:29.932Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-05-01T14:27:08.852Z", "action": "click_product", "action_argument": "B07DX89ZHN"}
{"timestamp": "2025-05-01T14:27:34.825Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-05-01T14:27:40.805Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:27:42.122Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:27:49.191Z", "action": "purchase", "action_argument": "B0CHN9X9S2"}
{"timestamp": "2025-05-01T14:28:32.972Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-05-01T14:28:50.289Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:28:51.406Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:28:56.273Z", "action": "purchase", "action_argument": "B0CHN9X9S2"}
<|memory_end|>

<|action_start|>
<|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": ""}],
"cart_items": [{"title": "Sports Research Fish Oil Mini-Softgels - Easy to Swallow Omega-3 Fatty Acids from Wild Caught Alaska Pollock Supporting Brain & Heart Health - 625mg, 120 Capsules", "asin": "B0CHN9X9S2", "price": "$26.39", "quantity": "3"},
{"title": "Sports Research Fish Oil Mini-Softgels - Easy to Swallow Omega-3 Fatty Acids from Wild Caught Alaska Pollock Supporting Brain & Heart Health - 625mg, 120 Capsules", "asin": "B0CHN9X9S2", "price": "$25.16", "quantity": "3"}],
"promotion_items": [{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research High Potency Zinc Picolinate 30mg with Organic Coconut Oil | Highly Absorbable Zinc Supplement for Healthy Immune & Enzyme Function - Non-GMO Tested & Gluten-Free (90 Liquid Softgels)", "asin": "", "price": "$14.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Multi Collagen Pills (Type I, II, III, V, X) Hydrolyzed Collagen Peptides with Hyaluronic Acid + Vitamin C | Non-GMO Verified & Gluten Free - 90 Capsules", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "", "quantity": ""},
{"title": "Beet Root Capsules - 1200mg Per Serving - 200 Beet Root Powder Capsules - Beetroot Powder Supports Blood Pressure, Athletic Performance, Digestive, Immune System (Pure, Non-GMO & Gluten Free", "asin": "", "price": "", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "$23.95", "quantity": ""},
{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Sports Research\u00ae Turmeric Curcumin with Bioperine (Black Pepper) & Organic Coconut Oil - Curcumin C3 Complex\u00ae Standardized to 95% Curcuminoids - Enhanced Bioavailability \u00b7 Non-GMO \u00b7 Gluten Free", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "", "price": "", "quantity": ""},
{"title": "Vital Vitamins Multi Collagen for Women & Men - Type I, II, III, V, X - Grass Fed, Non-GMO - 150 Capsules", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research High Potency Zinc Picolinate 30mg with Organic Coconut Oil | Highly Absorbable Zinc Supplement for Healthy Immune & Enzyme Function - Non-GMO Tested & Gluten-Free (90 Liquid Softgels)", "asin": "", "price": "$14.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Sports Research Multi Collagen Pills (Type I, II, III, V, X) Hydrolyzed Collagen Peptides with Hyaluronic Acid + Vitamin C | Non-GMO Verified & Gluten Free - 90 Capsules", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "$23.95", "quantity": ""},
{"title": "Beet Root Capsules - 1200mg Per Serving - 200 Beet Root Powder Capsules - Beetroot Powder Supports Blood Pressure, Athletic Performance, Digestive, Immune System (Pure, Non-GMO & Gluten Free", "asin": "", "price": "$19.95", "quantity": ""},
{"title": "Life Extension Two-Per-Day Multivitamin, Vitamins B, C, D, zinc, Packed with Over 25 Vitamins, Minerals & extracts, Two-Month Supply, Non-GMO, Gluten-Free, 120 Capsules", "asin": "B01IROPPR8", "price": "$19.13", "quantity": ""},
{"title": "Garden of Life Organics Whole Food Multivitamin for Men, 120 Tablets, Vegan Mens Vitamins and Minerals for Mens Health and Well-Being, Certified Organic Vegan Mens Multi", "asin": "B00K5NEKVC", "price": "$59.94", "quantity": ""},
{"title": "Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements", "asin": "B0BT6C8NGW", "price": "$29.95", "quantity": ""},
{"title": "Clean Nutraceuticals Lions Mane 20in1 Mushroom Supplement with Turkey Tail Reishi Cordyceps Chaga Maitake Meshima Poria Cocos Shiitake Oyster Porcini Enoki - Pack", "asin": "B0BG6TGKZS", "price": "$29.95", "quantity": ""},
{"title": "Vital Proteins Collagen Peptides Powder Advanced with Hyaluronic Acid & Vitamin C, Collagen Supplements, Unflavored, 13 Servings", "asin": "B00NLR1PX0", "price": "$25.99", "quantity": ""},
{"title": "Innate Vitality Magnesium Glycinate 500mg | 70mg Elemental Magnesium Supplement- High Absorption, Non Buffered, Non-GMO & No Gluten - Nerve, Muscle, Bone & Heart Health - 240 Caps, 8 Month Supply", "asin": "B0DKRYHLGZ", "price": "$19.98", "quantity": ""},
{"title": "Citrus Bergamot Supplement - Only Patented, Clinically Proven Bergamot Extract - 1,000mg Servings (Sourced from Italy) (60 Capsules) by Double Wood", "asin": "B07GCRHYM9", "price": "$24.95", "quantity": ""},
{"title": "Primal Harvest Primal Multivitamin - Daily Multi-Vitamin Supplement with 21 Essential Vitamins & Minerals for Women & Men - Vitamin A, C, D, E, B12, B6, Biotin, Folic Acid, Zinc, Copper & Selenium", "asin": "B097S1GQ5B", "price": "$29.95", "quantity": ""},
{"title": "(150 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition.", "asin": "B0CM2NMVJG", "price": "$29.99", "quantity": ""}]
<|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": "2025-05-01T14:29:00.177Z", // 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|>
{"timestamp": "2025-04-07T16:44:02.143Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-04-07T16:44:31.574Z", "action": "input", "action_argument": "ugly stick "}
{"timestamp": "2025-04-07T16:44:31.665Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-07T16:44:48.810Z", "action": "click", "action_argument": "filter"}
{"timestamp": "2025-04-09T23:56:10.752Z", "action": "input", "action_argument": "fish oil"}
{"timestamp": "2025-04-09T23:56:10.923Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-05-01T14:25:59.858Z", "action": "input", "action_argument": "fish oil"}
{"timestamp": "2025-05-01T14:26:00.144Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-05-01T14:26:28.305Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-05-01T14:26:29.932Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-05-01T14:27:08.852Z", "action": "click_product", "action_argument": "B07DX89ZHN"}
{"timestamp": "2025-05-01T14:27:34.825Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-05-01T14:27:40.805Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:27:42.122Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:27:49.191Z", "action": "purchase", "action_argument": "B0CHN9X9S2"}
{"timestamp": "2025-05-01T14:28:32.972Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-05-01T14:28:50.289Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:28:51.406Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:28:56.273Z", "action": "purchase", "action_argument": "B0CHN9X9S2"}
<|memory_end|>

<|action_start|>
<|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": ""}],
"cart_items": [{"title": "Sports Research Fish Oil Mini-Softgels - Easy to Swallow Omega-3 Fatty Acids from Wild Caught Alaska Pollock Supporting Brain & Heart Health - 625mg, 120 Capsules", "asin": "B0CHN9X9S2", "price": "$26.39", "quantity": "3"},
{"title": "Sports Research Fish Oil Mini-Softgels - Easy to Swallow Omega-3 Fatty Acids from Wild Caught Alaska Pollock Supporting Brain & Heart Health - 625mg, 120 Capsules", "asin": "B0CHN9X9S2", "price": "$25.16", "quantity": "3"}],
"promotion_items": [{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research High Potency Zinc Picolinate 30mg with Organic Coconut Oil | Highly Absorbable Zinc Supplement for Healthy Immune & Enzyme Function - Non-GMO Tested & Gluten-Free (90 Liquid Softgels)", "asin": "", "price": "$14.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Multi Collagen Pills (Type I, II, III, V, X) Hydrolyzed Collagen Peptides with Hyaluronic Acid + Vitamin C | Non-GMO Verified & Gluten Free - 90 Capsules", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "", "quantity": ""},
{"title": "Beet Root Capsules - 1200mg Per Serving - 200 Beet Root Powder Capsules - Beetroot Powder Supports Blood Pressure, Athletic Performance, Digestive, Immune System (Pure, Non-GMO & Gluten Free", "asin": "", "price": "", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "$23.95", "quantity": ""},
{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Sports Research\u00ae Turmeric Curcumin with Bioperine (Black Pepper) & Organic Coconut Oil - Curcumin C3 Complex\u00ae Standardized to 95% Curcuminoids - Enhanced Bioavailability \u00b7 Non-GMO \u00b7 Gluten Free", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "", "price": "", "quantity": ""},
{"title": "Vital Vitamins Multi Collagen for Women & Men - Type I, II, III, V, X - Grass Fed, Non-GMO - 150 Capsules", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research High Potency Zinc Picolinate 30mg with Organic Coconut Oil | Highly Absorbable Zinc Supplement for Healthy Immune & Enzyme Function - Non-GMO Tested & Gluten-Free (90 Liquid Softgels)", "asin": "", "price": "$14.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Sports Research Multi Collagen Pills (Type I, II, III, V, X) Hydrolyzed Collagen Peptides with Hyaluronic Acid + Vitamin C | Non-GMO Verified & Gluten Free - 90 Capsules", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "$23.95", "quantity": ""},
{"title": "Beet Root Capsules - 1200mg Per Serving - 200 Beet Root Powder Capsules - Beetroot Powder Supports Blood Pressure, Athletic Performance, Digestive, Immune System (Pure, Non-GMO & Gluten Free", "asin": "", "price": "$19.95", "quantity": ""},
{"title": "Life Extension Two-Per-Day Multivitamin, Vitamins B, C, D, zinc, Packed with Over 25 Vitamins, Minerals & extracts, Two-Month Supply, Non-GMO, Gluten-Free, 120 Capsules", "asin": "B01IROPPR8", "price": "$19.13", "quantity": ""},
{"title": "Garden of Life Organics Whole Food Multivitamin for Men, 120 Tablets, Vegan Mens Vitamins and Minerals for Mens Health and Well-Being, Certified Organic Vegan Mens Multi", "asin": "B00K5NEKVC", "price": "$59.94", "quantity": ""},
{"title": "Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements", "asin": "B0BT6C8NGW", "price": "$29.95", "quantity": ""},
{"title": "Clean Nutraceuticals Lions Mane 20in1 Mushroom Supplement with Turkey Tail Reishi Cordyceps Chaga Maitake Meshima Poria Cocos Shiitake Oyster Porcini Enoki - Pack", "asin": "B0BG6TGKZS", "price": "$29.95", "quantity": ""},
{"title": "Vital Proteins Collagen Peptides Powder Advanced with Hyaluronic Acid & Vitamin C, Collagen Supplements, Unflavored, 13 Servings", "asin": "B00NLR1PX0", "price": "$25.99", "quantity": ""},
{"title": "Innate Vitality Magnesium Glycinate 500mg | 70mg Elemental Magnesium Supplement- High Absorption, Non Buffered, Non-GMO & No Gluten - Nerve, Muscle, Bone & Heart Health - 240 Caps, 8 Month Supply", "asin": "B0DKRYHLGZ", "price": "$19.98", "quantity": ""},
{"title": "Citrus Bergamot Supplement - Only Patented, Clinically Proven Bergamot Extract - 1,000mg Servings (Sourced from Italy) (60 Capsules) by Double Wood", "asin": "B07GCRHYM9", "price": "$24.95", "quantity": ""},
{"title": "Primal Harvest Primal Multivitamin - Daily Multi-Vitamin Supplement with 21 Essential Vitamins & Minerals for Women & Men - Vitamin A, C, D, E, B12, B6, Biotin, Folic Acid, Zinc, Copper & Selenium", "asin": "B097S1GQ5B", "price": "$29.95", "quantity": ""},
{"title": "(150 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition.", "asin": "B0CM2NMVJG", "price": "$29.99", "quantity": ""}]
<|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": "2025-05-01T14:29:00.177Z", // 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": "2025-05-01T14:29:00.177Z","action": "click","acion_argument": "nav_bar",}</answer>
rule
<answer>{"timestamp": "2025-05-01T14:29:00.177Z","action": "click","acion_argument": "nav_bar",}</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|>
{"timestamp": "2025-04-07T16:44:02.143Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-04-07T16:44:31.574Z", "action": "input", "action_argument": "ugly stick "}
{"timestamp": "2025-04-07T16:44:31.665Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-07T16:44:48.810Z", "action": "click", "action_argument": "filter"}
{"timestamp": "2025-04-09T23:56:10.752Z", "action": "input", "action_argument": "fish oil"}
{"timestamp": "2025-04-09T23:56:10.923Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-05-01T14:25:59.858Z", "action": "input", "action_argument": "fish oil"}
{"timestamp": "2025-05-01T14:26:00.144Z", "action": "click", "action_argument": "search"}
{"timestamp": "2025-05-01T14:26:28.305Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-05-01T14:26:29.932Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-05-01T14:27:08.852Z", "action": "click_product", "action_argument": "B07DX89ZHN"}
{"timestamp": "2025-05-01T14:27:34.825Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-05-01T14:27:40.805Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:27:42.122Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:27:49.191Z", "action": "purchase", "action_argument": "B0CHN9X9S2"}
{"timestamp": "2025-05-01T14:28:32.972Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-05-01T14:28:50.289Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:28:51.406Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-05-01T14:28:56.273Z", "action": "purchase", "action_argument": "B0CHN9X9S2"}
<|memory_end|>

<|action_start|>
<|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": ""}],
"cart_items": [{"title": "Sports Research Fish Oil Mini-Softgels - Easy to Swallow Omega-3 Fatty Acids from Wild Caught Alaska Pollock Supporting Brain & Heart Health - 625mg, 120 Capsules", "asin": "B0CHN9X9S2", "price": "$26.39", "quantity": "3"},
{"title": "Sports Research Fish Oil Mini-Softgels - Easy to Swallow Omega-3 Fatty Acids from Wild Caught Alaska Pollock Supporting Brain & Heart Health - 625mg, 120 Capsules", "asin": "B0CHN9X9S2", "price": "$25.16", "quantity": "3"}],
"promotion_items": [{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research High Potency Zinc Picolinate 30mg with Organic Coconut Oil | Highly Absorbable Zinc Supplement for Healthy Immune & Enzyme Function - Non-GMO Tested & Gluten-Free (90 Liquid Softgels)", "asin": "", "price": "$14.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Multi Collagen Pills (Type I, II, III, V, X) Hydrolyzed Collagen Peptides with Hyaluronic Acid + Vitamin C | Non-GMO Verified & Gluten Free - 90 Capsules", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "", "quantity": ""},
{"title": "Beet Root Capsules - 1200mg Per Serving - 200 Beet Root Powder Capsules - Beetroot Powder Supports Blood Pressure, Athletic Performance, Digestive, Immune System (Pure, Non-GMO & Gluten Free", "asin": "", "price": "", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "$23.95", "quantity": ""},
{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Sports Research\u00ae Turmeric Curcumin with Bioperine (Black Pepper) & Organic Coconut Oil - Curcumin C3 Complex\u00ae Standardized to 95% Curcuminoids - Enhanced Bioavailability \u00b7 Non-GMO \u00b7 Gluten Free", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research Vitamin C 1000mg - Non-GMO Project Verified Ascorbic Acid Vitamin C Supplement for Immune Support & Antioxidant Protection | Vegan Friendly, 8 Month Supply (240 Count)", "asin": "", "price": "", "quantity": ""},
{"title": "Vital Vitamins Multi Collagen for Women & Men - Type I, II, III, V, X - Grass Fed, Non-GMO - 150 Capsules", "asin": "", "price": "", "quantity": ""},
{"title": "Sports Research\u00ae Ashwagandha Softgels with Coconut MCT Oil - Natural Ayurvedic Adaptogen Made with Shoden\u00ae Ashwa for Relaxation, Calm & Sleep Support - Gluten Free & Vegan Friendly - 120 Count", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Kion Aminos Essential Amino Acids Capsules | The Building Blocks for Muscle Recovery, Reduced Cravings, Better Cognition, Immunity, and More | 30 Servings", "asin": "", "price": "$54.95", "quantity": ""},
{"title": "Methyl Multi Without Iron Methylated Multivitamin for Men & Women, 120-Day Supply | Methyl B12 & Methylfolate (5-MTHF) for MTHFR Support | Pharma Grade Multivitamin & Multimineral For Health, 240 Caps", "asin": "", "price": "$52.97", "quantity": ""},
{"title": "Sports Research High Potency Zinc Picolinate 30mg with Organic Coconut Oil | Highly Absorbable Zinc Supplement for Healthy Immune & Enzyme Function - Non-GMO Tested & Gluten-Free (90 Liquid Softgels)", "asin": "", "price": "$14.95", "quantity": ""},
{"title": "Sports Research\u00ae Magnesium Glycinate - Suports Restful Sleep & Enzymatic Processes - 160 mg Chelated Magnesium - Liquid Softgel - 120 Count", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research Collagen Peptides for Women & Men, Unflavored, 16 oz., Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, Bones & Joints", "asin": "", "price": "$32.95", "quantity": ""},
{"title": "Sports Research Multi Collagen Pills (Type I, II, III, V, X) Hydrolyzed Collagen Peptides with Hyaluronic Acid + Vitamin C | Non-GMO Verified & Gluten Free - 90 Capsules", "asin": "", "price": "$24.95", "quantity": ""},
{"title": "Sports Research\u00ae Vegan D3 5000iu with Vitamin K2 100mg - Formulated with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 60 Softgels", "asin": "", "price": "$23.95", "quantity": ""},
{"title": "Beet Root Capsules - 1200mg Per Serving - 200 Beet Root Powder Capsules - Beetroot Powder Supports Blood Pressure, Athletic Performance, Digestive, Immune System (Pure, Non-GMO & Gluten Free", "asin": "", "price": "$19.95", "quantity": ""},
{"title": "Life Extension Two-Per-Day Multivitamin, Vitamins B, C, D, zinc, Packed with Over 25 Vitamins, Minerals & extracts, Two-Month Supply, Non-GMO, Gluten-Free, 120 Capsules", "asin": "B01IROPPR8", "price": "$19.13", "quantity": ""},
{"title": "Garden of Life Organics Whole Food Multivitamin for Men, 120 Tablets, Vegan Mens Vitamins and Minerals for Mens Health and Well-Being, Certified Organic Vegan Mens Multi", "asin": "B00K5NEKVC", "price": "$59.94", "quantity": ""},
{"title": "Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements", "asin": "B0BT6C8NGW", "price": "$29.95", "quantity": ""},
{"title": "Clean Nutraceuticals Lions Mane 20in1 Mushroom Supplement with Turkey Tail Reishi Cordyceps Chaga Maitake Meshima Poria Cocos Shiitake Oyster Porcini Enoki - Pack", "asin": "B0BG6TGKZS", "price": "$29.95", "quantity": ""},
{"title": "Vital Proteins Collagen Peptides Powder Advanced with Hyaluronic Acid & Vitamin C, Collagen Supplements, Unflavored, 13 Servings", "asin": "B00NLR1PX0", "price": "$25.99", "quantity": ""},
{"title": "Innate Vitality Magnesium Glycinate 500mg | 70mg Elemental Magnesium Supplement- High Absorption, Non Buffered, Non-GMO & No Gluten - Nerve, Muscle, Bone & Heart Health - 240 Caps, 8 Month Supply", "asin": "B0DKRYHLGZ", "price": "$19.98", "quantity": ""},
{"title": "Citrus Bergamot Supplement - Only Patented, Clinically Proven Bergamot Extract - 1,000mg Servings (Sourced from Italy) (60 Capsules) by Double Wood", "asin": "B07GCRHYM9", "price": "$24.95", "quantity": ""},
{"title": "Primal Harvest Primal Multivitamin - Daily Multi-Vitamin Supplement with 21 Essential Vitamins & Minerals for Women & Men - Vitamin A, C, D, E, B12, B6, Biotin, Folic Acid, Zinc, Copper & Selenium", "asin": "B097S1GQ5B", "price": "$29.95", "quantity": ""},
{"title": "(150 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition.", "asin": "B0CM2NMVJG", "price": "$29.99", "quantity": ""}]
<|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": "2025-05-01T14:29:00.177Z", // 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