<|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 button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

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": "2025-04-06T23:27:40.725Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:42.024Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:43.645Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:44.545Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:54.869Z", "action": "input", "action_argument": "golf"}
{"timestamp": "2025-04-06T23:28:01.249Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-06T23:29:19.447Z", "action": "click_product", "action_argument": "B09MZSGD1V"}
{"timestamp": "2025-04-06T23:29:57.756Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:10.556Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:12.656Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:56.359Z", "action": "purchase", "action_argument": "B09MZSGD1V"}
{"timestamp": "2025-04-10T22:57:09.791Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T22:57:13.845Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:47:36.760Z", "action": "input", "action_argument": "used colorful golf balls"}
{"timestamp": "2025-04-19T17:48:06.884Z", "action": "click_product", "action_argument": "B0CVWZ189F"}
{"timestamp": "2025-04-19T17:48:26.666Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:48:36.878Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:49:20.254Z", "action": "purchase", "action_argument": "B0CVWZ189F"}
{"timestamp": "2025-04-19T17:49:29.824Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-19T17:49:32.674Z", "action": "click_product", "action_argument": ""}
{"timestamp": "2025-04-19T17:50:25.910Z", "action": "click_product", "action_argument": "B0CSTGQQV1"}
{"timestamp": "2025-04-19T17:50:33.731Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:50:57.215Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:51:32.329Z", "action": "purchase", "action_argument": "B0CSTGQQV1"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-19T17:51:37.090Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T17:52:08.135Z", "action": "input", "action_argument": "business casual "}
{"timestamp": "2025-04-19T17:52:08.199Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-19T17:52:32.351Z", "action": "click", "action_argument": "nav_bar"}
<|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": ""
}
  ],
  "promotion_items": [
    {"title": "Callaway Golf Supersoft Golf Balls", "asin": "B0BMHKGZ4H", "price": "$24.99", "quantity": ""},
    {"title": "FootJoy Men's WeatherSof 2-Pack Golf Glove", "asin": "B0CCK73Y77", "price": "$22.99", "quantity": ""},
    {"title": "TaylorMade Golf Tour Response Stripe", "asin": "B0CP9S6J4L", "price": "$34.99", "quantity": ""},
    {"title": "Jiskan Pro Golf Club Brush Cleaner with Retainer Clip and Squeeze Water Bottle 7.5 Inches Holds 4 Ounces of Water, Essentials Golf Accessories for Men, Best Golf Gifts for Men", "asin": "B0BZM7WGXV", "price": "$14.99", "quantity": ""},
    {"title": "Callaway Golf Weather Spann Glove", "asin": "B0BKP7SDVG", "price": "$12.99", "quantity": ""},
    {"title": "Nitro Long Distance Peak Performance Golf Balls (15PK) All Levels White Out 70 Compression High Velocity White Hot Core Long Distance Golf Balls USGA Approved-Total of 15-Hot Pink", "asin": "B00JJQQN20", "price": "$14.33", "quantity": ""},
    {"title": "Nitro Maximum Distance Golf Ball (12-Pack)", "asin": "B00HB083SI", "price": "$12.94", "quantity": ""},
    {"title": "Maxfli Performance Series Low Resistance 3 1/4'' & 1 1/2'' Assorted Golf Tees - 50 Pack", "asin": "B07CX9TQNY", "price": "$11.73", "quantity": ""},
    {"title": "FootJoy Men's WeatherSof 2-Pack Golf Glove", "asin": "B0CCK9CRGX", "price": "$22.97", "quantity": ""},
    {"title": "Callaway Golf Weather Spann Glove", "asin": "B0BKPBY3NJ", "price": "$12.99", "quantity": ""},
    {"title": "Giggle Golf Bling Golf Ball Marker with A Standard Magnetic Hat Clip | Great Gift for Women", "asin": "B00PYVQ630", "price": "$12.95", "quantity": ""},
    {"title": "Myartte Golf Cart Hat Clip, Assorted Pattern Golf Ball Markers 24.4MM,Nice Golf Gift for Women Men,Pack of 2", "asin": "B07PZ6G6PZ", "price": "$9.99", "quantity": ""}
  ],
  "active_items": [
    {"title": "Zario Plastic Golf Tees 50 Pack, Long 3 1/4 Inch & Short 1 1/2 Inch, Near Unbeakable, for Men & Women - (Pink)", "asin": "B0CSTGQQV1", "delivery": "Two-Day FREE delivery Mon, Apr 21 FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "Pink"}]}
  ],
  "saved_items": [
    {"title": "O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Probiotic Blend - Vaginal Health Supplement - Promote Healthy Vaginal Odor & Vaginal Flora, 60 Count (Pack of 1)", "asin": "B0D5FZGY8W", "options": [{"Size": "60 Count (Pack of 1)"}]},
    {"title": "Cuicanstar 4 Pairs Silver Plated Hoop Earrings for Women Lightweight Hypoallergenic Silver Hoops Stainless Steel Hoop Earrings Loop Earrings Set", "asin": "B08RS444JG", "options": [{"Color": "4 Pairs Silver Plated Hoop Earrings Set"}]},
    {"asin": "B08RS444JG", "options": []},
    {"title": "Vanity Mirror with Lights, Hollywood Lighted Makeup Mirror with 3 Color Lighting Modes and 9 Dimmable Bulbs, Detachable 5X Magnification, Smart Touch Control, 360\u00b0Rotation, White", "asin": "B0CYH4PM5D", "options": [{"Color": "9 Bulbs"}]},
    {"asin": "B0CYH4PM5D", "options": []},
    {"title": "Astroglide Water Based Flavored (2.5oz), Edible Strawberry Personal Lubricant for Men, Women and Couples, Travel-Friendly Size", "asin": "B000ZPJHGS", "options": [{"Size": "2.5 Fl Oz (Pack of 1)"}]},
    {"title": "AZO Cranberry Supplement, Made with Concentrated Whole Fruit Cranberry Powder to Help Cleanse and Protect the Urinary Tract*, Sugar Free Cranberry Pills, Non-GMO, 100 Softgels", "asin": "B004RR1FF6", "options": [{"Style": "100 Count (Pack of 1)"}]},
    {"title": "Beauty of Joseon Daily Relief Sunscreen for face Sun moisturizing with Broad Spectrum SPF 40 Korean sunscreen skincare 50ml, 1.69 fl.oz", "asin": "B0DB1NPDNX", "options": []},
    {"title": "Paula's Choice Skin Perfecting 2% BHA Liquid Salicylic Acid Exfoliant, Gentle Facial Exfoliator for Blackheads, Large Pores, Wrinkles & Fine Lines, Travel Size, 1 Fluid Ounce", "asin": "B07C5SS6YD", "options": [{"Style": "Travel Size - 1 Fl Oz"}]},
    {"title": "ANUA Niacinamide 10 + TXA 4 Serum, Hyaluronic Acid, Tranexamic acid, Vitamin B12, Facial Serum for Glass Skin, Clarifying, Radiant Complexion with Natural Color, Korean Skin Care (30ml /1.01 fl.oz)", "asin": "B0CLLV2T1P", "options": []},
    {"title": "COLOR WOW Dream Coat Supernatural Spray, 6.7 Fl Oz \u2013 Keep Your Hair Frizz-Free and Shiny No Matter the Weather with Award-Winning Anti-Humidity Treatment", "asin": "B073CWSQ51", "options": [{"Size": "6.7 Fl Oz (Pack of 1)"}]},
    {"title": "Her Fantasy Box | Renew Her - Natural Rejuvenating Yoni Oil for Dark Spots, Ingrown Hair, and Skin Brightening - Nourishing, Moisturizing Formula for All Skin Types", "asin": "B0C9SJ3VWP", "options": []}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-19T17:52:44.106Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</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 button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

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": "2025-04-06T23:27:40.725Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:42.024Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:43.645Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:44.545Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:54.869Z", "action": "input", "action_argument": "golf"}
{"timestamp": "2025-04-06T23:28:01.249Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-06T23:29:19.447Z", "action": "click_product", "action_argument": "B09MZSGD1V"}
{"timestamp": "2025-04-06T23:29:57.756Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:10.556Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:12.656Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:56.359Z", "action": "purchase", "action_argument": "B09MZSGD1V"}
{"timestamp": "2025-04-10T22:57:09.791Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T22:57:13.845Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:47:36.760Z", "action": "input", "action_argument": "used colorful golf balls"}
{"timestamp": "2025-04-19T17:48:06.884Z", "action": "click_product", "action_argument": "B0CVWZ189F"}
{"timestamp": "2025-04-19T17:48:26.666Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:48:36.878Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:49:20.254Z", "action": "purchase", "action_argument": "B0CVWZ189F"}
{"timestamp": "2025-04-19T17:49:29.824Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-19T17:49:32.674Z", "action": "click_product", "action_argument": ""}
{"timestamp": "2025-04-19T17:50:25.910Z", "action": "click_product", "action_argument": "B0CSTGQQV1"}
{"timestamp": "2025-04-19T17:50:33.731Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:50:57.215Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:51:32.329Z", "action": "purchase", "action_argument": "B0CSTGQQV1"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-19T17:51:37.090Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T17:52:08.135Z", "action": "input", "action_argument": "business casual "}
{"timestamp": "2025-04-19T17:52:08.199Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-19T17:52:32.351Z", "action": "click", "action_argument": "nav_bar"}
<|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": ""
}
  ],
  "promotion_items": [
    {"title": "Callaway Golf Supersoft Golf Balls", "asin": "B0BMHKGZ4H", "price": "$24.99", "quantity": ""},
    {"title": "FootJoy Men's WeatherSof 2-Pack Golf Glove", "asin": "B0CCK73Y77", "price": "$22.99", "quantity": ""},
    {"title": "TaylorMade Golf Tour Response Stripe", "asin": "B0CP9S6J4L", "price": "$34.99", "quantity": ""},
    {"title": "Jiskan Pro Golf Club Brush Cleaner with Retainer Clip and Squeeze Water Bottle 7.5 Inches Holds 4 Ounces of Water, Essentials Golf Accessories for Men, Best Golf Gifts for Men", "asin": "B0BZM7WGXV", "price": "$14.99", "quantity": ""},
    {"title": "Callaway Golf Weather Spann Glove", "asin": "B0BKP7SDVG", "price": "$12.99", "quantity": ""},
    {"title": "Nitro Long Distance Peak Performance Golf Balls (15PK) All Levels White Out 70 Compression High Velocity White Hot Core Long Distance Golf Balls USGA Approved-Total of 15-Hot Pink", "asin": "B00JJQQN20", "price": "$14.33", "quantity": ""},
    {"title": "Nitro Maximum Distance Golf Ball (12-Pack)", "asin": "B00HB083SI", "price": "$12.94", "quantity": ""},
    {"title": "Maxfli Performance Series Low Resistance 3 1/4'' & 1 1/2'' Assorted Golf Tees - 50 Pack", "asin": "B07CX9TQNY", "price": "$11.73", "quantity": ""},
    {"title": "FootJoy Men's WeatherSof 2-Pack Golf Glove", "asin": "B0CCK9CRGX", "price": "$22.97", "quantity": ""},
    {"title": "Callaway Golf Weather Spann Glove", "asin": "B0BKPBY3NJ", "price": "$12.99", "quantity": ""},
    {"title": "Giggle Golf Bling Golf Ball Marker with A Standard Magnetic Hat Clip | Great Gift for Women", "asin": "B00PYVQ630", "price": "$12.95", "quantity": ""},
    {"title": "Myartte Golf Cart Hat Clip, Assorted Pattern Golf Ball Markers 24.4MM,Nice Golf Gift for Women Men,Pack of 2", "asin": "B07PZ6G6PZ", "price": "$9.99", "quantity": ""}
  ],
  "active_items": [
    {"title": "Zario Plastic Golf Tees 50 Pack, Long 3 1/4 Inch & Short 1 1/2 Inch, Near Unbeakable, for Men & Women - (Pink)", "asin": "B0CSTGQQV1", "delivery": "Two-Day FREE delivery Mon, Apr 21 FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "Pink"}]}
  ],
  "saved_items": [
    {"title": "O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Probiotic Blend - Vaginal Health Supplement - Promote Healthy Vaginal Odor & Vaginal Flora, 60 Count (Pack of 1)", "asin": "B0D5FZGY8W", "options": [{"Size": "60 Count (Pack of 1)"}]},
    {"title": "Cuicanstar 4 Pairs Silver Plated Hoop Earrings for Women Lightweight Hypoallergenic Silver Hoops Stainless Steel Hoop Earrings Loop Earrings Set", "asin": "B08RS444JG", "options": [{"Color": "4 Pairs Silver Plated Hoop Earrings Set"}]},
    {"asin": "B08RS444JG", "options": []},
    {"title": "Vanity Mirror with Lights, Hollywood Lighted Makeup Mirror with 3 Color Lighting Modes and 9 Dimmable Bulbs, Detachable 5X Magnification, Smart Touch Control, 360\u00b0Rotation, White", "asin": "B0CYH4PM5D", "options": [{"Color": "9 Bulbs"}]},
    {"asin": "B0CYH4PM5D", "options": []},
    {"title": "Astroglide Water Based Flavored (2.5oz), Edible Strawberry Personal Lubricant for Men, Women and Couples, Travel-Friendly Size", "asin": "B000ZPJHGS", "options": [{"Size": "2.5 Fl Oz (Pack of 1)"}]},
    {"title": "AZO Cranberry Supplement, Made with Concentrated Whole Fruit Cranberry Powder to Help Cleanse and Protect the Urinary Tract*, Sugar Free Cranberry Pills, Non-GMO, 100 Softgels", "asin": "B004RR1FF6", "options": [{"Style": "100 Count (Pack of 1)"}]},
    {"title": "Beauty of Joseon Daily Relief Sunscreen for face Sun moisturizing with Broad Spectrum SPF 40 Korean sunscreen skincare 50ml, 1.69 fl.oz", "asin": "B0DB1NPDNX", "options": []},
    {"title": "Paula's Choice Skin Perfecting 2% BHA Liquid Salicylic Acid Exfoliant, Gentle Facial Exfoliator for Blackheads, Large Pores, Wrinkles & Fine Lines, Travel Size, 1 Fluid Ounce", "asin": "B07C5SS6YD", "options": [{"Style": "Travel Size - 1 Fl Oz"}]},
    {"title": "ANUA Niacinamide 10 + TXA 4 Serum, Hyaluronic Acid, Tranexamic acid, Vitamin B12, Facial Serum for Glass Skin, Clarifying, Radiant Complexion with Natural Color, Korean Skin Care (30ml /1.01 fl.oz)", "asin": "B0CLLV2T1P", "options": []},
    {"title": "COLOR WOW Dream Coat Supernatural Spray, 6.7 Fl Oz \u2013 Keep Your Hair Frizz-Free and Shiny No Matter the Weather with Award-Winning Anti-Humidity Treatment", "asin": "B073CWSQ51", "options": [{"Size": "6.7 Fl Oz (Pack of 1)"}]},
    {"title": "Her Fantasy Box | Renew Her - Natural Rejuvenating Yoni Oil for Dark Spots, Ingrown Hair, and Skin Brightening - Nourishing, Moisturizing Formula for All Skin Types", "asin": "B0C9SJ3VWP", "options": []}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-19T17:52:44.106Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

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

<|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 button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

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": "2025-04-06T23:27:40.725Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:42.024Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:43.645Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:44.545Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-06T23:27:54.869Z", "action": "input", "action_argument": "golf"}
{"timestamp": "2025-04-06T23:28:01.249Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-06T23:29:19.447Z", "action": "click_product", "action_argument": "B09MZSGD1V"}
{"timestamp": "2025-04-06T23:29:57.756Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:10.556Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:12.656Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-06T23:30:56.359Z", "action": "purchase", "action_argument": "B09MZSGD1V"}
{"timestamp": "2025-04-10T22:57:09.791Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-10T22:57:13.845Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:47:36.760Z", "action": "input", "action_argument": "used colorful golf balls"}
{"timestamp": "2025-04-19T17:48:06.884Z", "action": "click_product", "action_argument": "B0CVWZ189F"}
{"timestamp": "2025-04-19T17:48:26.666Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:48:36.878Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:49:20.254Z", "action": "purchase", "action_argument": "B0CVWZ189F"}
{"timestamp": "2025-04-19T17:49:29.824Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-19T17:49:32.674Z", "action": "click_product", "action_argument": ""}
{"timestamp": "2025-04-19T17:50:25.910Z", "action": "click_product", "action_argument": "B0CSTGQQV1"}
{"timestamp": "2025-04-19T17:50:33.731Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:50:57.215Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-19T17:51:32.329Z", "action": "purchase", "action_argument": "B0CSTGQQV1"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-19T17:51:37.090Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-19T17:52:08.135Z", "action": "input", "action_argument": "business casual "}
{"timestamp": "2025-04-19T17:52:08.199Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-19T17:52:32.351Z", "action": "click", "action_argument": "nav_bar"}
<|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": ""
}
  ],
  "promotion_items": [
    {"title": "Callaway Golf Supersoft Golf Balls", "asin": "B0BMHKGZ4H", "price": "$24.99", "quantity": ""},
    {"title": "FootJoy Men's WeatherSof 2-Pack Golf Glove", "asin": "B0CCK73Y77", "price": "$22.99", "quantity": ""},
    {"title": "TaylorMade Golf Tour Response Stripe", "asin": "B0CP9S6J4L", "price": "$34.99", "quantity": ""},
    {"title": "Jiskan Pro Golf Club Brush Cleaner with Retainer Clip and Squeeze Water Bottle 7.5 Inches Holds 4 Ounces of Water, Essentials Golf Accessories for Men, Best Golf Gifts for Men", "asin": "B0BZM7WGXV", "price": "$14.99", "quantity": ""},
    {"title": "Callaway Golf Weather Spann Glove", "asin": "B0BKP7SDVG", "price": "$12.99", "quantity": ""},
    {"title": "Nitro Long Distance Peak Performance Golf Balls (15PK) All Levels White Out 70 Compression High Velocity White Hot Core Long Distance Golf Balls USGA Approved-Total of 15-Hot Pink", "asin": "B00JJQQN20", "price": "$14.33", "quantity": ""},
    {"title": "Nitro Maximum Distance Golf Ball (12-Pack)", "asin": "B00HB083SI", "price": "$12.94", "quantity": ""},
    {"title": "Maxfli Performance Series Low Resistance 3 1/4'' & 1 1/2'' Assorted Golf Tees - 50 Pack", "asin": "B07CX9TQNY", "price": "$11.73", "quantity": ""},
    {"title": "FootJoy Men's WeatherSof 2-Pack Golf Glove", "asin": "B0CCK9CRGX", "price": "$22.97", "quantity": ""},
    {"title": "Callaway Golf Weather Spann Glove", "asin": "B0BKPBY3NJ", "price": "$12.99", "quantity": ""},
    {"title": "Giggle Golf Bling Golf Ball Marker with A Standard Magnetic Hat Clip | Great Gift for Women", "asin": "B00PYVQ630", "price": "$12.95", "quantity": ""},
    {"title": "Myartte Golf Cart Hat Clip, Assorted Pattern Golf Ball Markers 24.4MM,Nice Golf Gift for Women Men,Pack of 2", "asin": "B07PZ6G6PZ", "price": "$9.99", "quantity": ""}
  ],
  "active_items": [
    {"title": "Zario Plastic Golf Tees 50 Pack, Long 3 1/4 Inch & Short 1 1/2 Inch, Near Unbeakable, for Men & Women - (Pink)", "asin": "B0CSTGQQV1", "delivery": "Two-Day FREE delivery Mon, Apr 21 FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "Pink"}]}
  ],
  "saved_items": [
    {"title": "O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Probiotic Blend - Vaginal Health Supplement - Promote Healthy Vaginal Odor & Vaginal Flora, 60 Count (Pack of 1)", "asin": "B0D5FZGY8W", "options": [{"Size": "60 Count (Pack of 1)"}]},
    {"title": "Cuicanstar 4 Pairs Silver Plated Hoop Earrings for Women Lightweight Hypoallergenic Silver Hoops Stainless Steel Hoop Earrings Loop Earrings Set", "asin": "B08RS444JG", "options": [{"Color": "4 Pairs Silver Plated Hoop Earrings Set"}]},
    {"asin": "B08RS444JG", "options": []},
    {"title": "Vanity Mirror with Lights, Hollywood Lighted Makeup Mirror with 3 Color Lighting Modes and 9 Dimmable Bulbs, Detachable 5X Magnification, Smart Touch Control, 360\u00b0Rotation, White", "asin": "B0CYH4PM5D", "options": [{"Color": "9 Bulbs"}]},
    {"asin": "B0CYH4PM5D", "options": []},
    {"title": "Astroglide Water Based Flavored (2.5oz), Edible Strawberry Personal Lubricant for Men, Women and Couples, Travel-Friendly Size", "asin": "B000ZPJHGS", "options": [{"Size": "2.5 Fl Oz (Pack of 1)"}]},
    {"title": "AZO Cranberry Supplement, Made with Concentrated Whole Fruit Cranberry Powder to Help Cleanse and Protect the Urinary Tract*, Sugar Free Cranberry Pills, Non-GMO, 100 Softgels", "asin": "B004RR1FF6", "options": [{"Style": "100 Count (Pack of 1)"}]},
    {"title": "Beauty of Joseon Daily Relief Sunscreen for face Sun moisturizing with Broad Spectrum SPF 40 Korean sunscreen skincare 50ml, 1.69 fl.oz", "asin": "B0DB1NPDNX", "options": []},
    {"title": "Paula's Choice Skin Perfecting 2% BHA Liquid Salicylic Acid Exfoliant, Gentle Facial Exfoliator for Blackheads, Large Pores, Wrinkles & Fine Lines, Travel Size, 1 Fluid Ounce", "asin": "B07C5SS6YD", "options": [{"Style": "Travel Size - 1 Fl Oz"}]},
    {"title": "ANUA Niacinamide 10 + TXA 4 Serum, Hyaluronic Acid, Tranexamic acid, Vitamin B12, Facial Serum for Glass Skin, Clarifying, Radiant Complexion with Natural Color, Korean Skin Care (30ml /1.01 fl.oz)", "asin": "B0CLLV2T1P", "options": []},
    {"title": "COLOR WOW Dream Coat Supernatural Spray, 6.7 Fl Oz \u2013 Keep Your Hair Frizz-Free and Shiny No Matter the Weather with Award-Winning Anti-Humidity Treatment", "asin": "B073CWSQ51", "options": [{"Size": "6.7 Fl Oz (Pack of 1)"}]},
    {"title": "Her Fantasy Box | Renew Her - Natural Rejuvenating Yoni Oil for Dark Spots, Ingrown Hair, and Skin Brightening - Nourishing, Moisturizing Formula for All Skin Types", "asin": "B0C9SJ3VWP", "options": []}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-19T17:52:44.106Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

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