<|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": "2025-04-28T04:00:24.973Z", "action": "click_product", "action_argument": ""}
{"timestamp": "2025-04-28T04:01:04.111Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:07.736Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-28T04:02:28.389Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:31.491Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:34.531Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:03:12.435Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-28T04:03:14.798Z", "action": "click", "action_argument": "cart_side_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": "The Only Bean Crunchy Dry Roasted Edamame Snacks (Sea Salt), Keto Snack Food, High Protein (11g) Healthy Snacks, Low Carb Gluten Free Office Vegan Food 100 Calorie Snack Pack, 0.9oz 10 Pack", "asin": "B09FFXR2VV", "price": "$12.72", "quantity": ""},
{"title": "Amazon Basics Digital Kitchen Scale with LCD Display, Batteries Included, Weighs up to 11 pounds, Black and Stainless Steel", "asin": "B06X9NQ8GX", "price": "$10.49", "quantity": ""},
{"title": "Slim Jim Smoked Meat Sticks, Original Flavor, 6g Protein Per Serving, Snack Size, 0.28 oz. (14 Count)", "asin": "B009M8VWT4", "price": "$4.12", "quantity": ""},
{"title": "Slim Jim Smoked Meat Sticks, Original Flavor, 6g Protein Per Serving, Snack Size, 0.28 oz. (46 Count)", "asin": "B071G6PFDR", "price": "$12.17", "quantity": ""},
{"title": "Wonderful Pistachios No Shells, Roasted & Salted Nuts, 0.75 Ounce Bag (Pack of 9), Protein Snacks, Gluten Free, On-the-Go, Individually Wrapped Snacks", "asin": "B07XSKK6Z4", "price": "$7.78", "quantity": ""},
{"title": "RITZ Fresh Stacks Original Crackers, Party Size, Travel Snacks, 23.7 oz (16 Multi Snack Packs)", "asin": "B082N7TPQP", "price": "$5.98", "quantity": ""},
{"title": "Snack Pack Chocolate and Vanilla Flavored Pudding Cups Family Pack, 12 Count Pudding Cups (1 Pack)", "asin": "B013OY25GA", "price": "$3.29", "quantity": ""},
{"title": "Jack Link's Beef Jerky Variety Pack Includes Original and Teriyaki Jerky, Bulk Protein Snack Bags, Good Source of Protein, Meat Snacks Made with 100% Beef, Individual Bags 1.25 Oz (Pack of 9)", "asin": "B014ABUQVC", "price": "$19.96", "quantity": ""},
{"title": "14-15V AC/DC Adapter Replacement for Yamaha THR10 THR10C THR10X 10 Watt THR5 THR5A 5 Watts Effects Classic Modeling Combo Guitar Amplifier Amp Mini TSS-15 TSS15 Pro Logic II DTS Power Supply", "asin": "B073Z1SS1R", "price": "$20.49", "quantity": ""},
{"title": "Genuine Yamaha AC Adapter Power Supply DC12V 700mA 12.5W Model: PA-3C 12V", "asin": "B00008BCXU", "price": "$20.40", "quantity": ""},
{"title": "Auspow 12V 1.5A Power Adapter for Yamaha PA130 PA150, 12V 1.5A Power Supply for Yamaha PSR YPG YPT DGX DD EZ Series Keyboard (9.8 Ft Long Cord)", "asin": "B0BLNRWH7D", "price": "$8.99", "quantity": ""},
{"title": "Yamaha THR5 10-Watt Desktop Guitar Combo Amp", "asin": "B007J0UWMU", "price": "$209.99", "quantity": ""},
{"title": "MTDZKJG 15V 3A Power Supply 45W AC Adapter 100~240V AC to DC 15V Transformer with 5.5mm x 2.5mm/2.1mm Plug for 15Volt 500mA 1000mA 1500mA 2000mA 2500mA 3000mA Equipment", "asin": "B0CCSGTSDD", "price": "$9.99", "quantity": ""},
{"title": "Yamaha THR Wired Desktop 15 Guitar Amps and 8 Effects, Bluetooth-Enabled, Standard Color (THR10II)", "asin": "B07XNL8127", "price": "$329.99", "quantity": ""}],
"active_items": [{"title": "CASIMY 15V AC Adapter Compatible with Yamaha THR10 THR10C THR10X THR5 THR5A THR10II THR30II WL THR30IIA Yamaha Mini TSS-15 TSS15 DTS Wireless Guitar Amplifier Amp Effects Power Supply Charger", "asin": "B0CHF8VN73", "delivery": "FREE delivery Fri, May 2", "quantity": "1", "selected": true, "options": []},
{"title": "Gimme Seaweed Organic Premium Roasted Seaweed Snacks, Sea Salt & Avocado Oil, 20 Count, Keto, Vegan, Gluten-Free, Great Source of Omega3s and Iodine, Healthy On-The-Go Snack for Kids and Adults", "asin": "B088PRVMXL", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items", "quantity": "1", "selected": false, "options": [{"Style": "#2 Sea Salt & Avocado Oil"}]},
{"title": "Bentgo Prep 60-Piece Meal Prep Kit - Reusable Food Containers 1-Compartment, 2-Compartment, & 3-Compartments for Healthy Eating - Microwave, Freezer, & Dishwasher Safe (Floral Pastels)", "asin": "B09DHYTDBD", "delivery": "One-Day FREE delivery Tomorrow, Apr 29 FREE Returns", "quantity": "1", "selected": false, "options": [{"Color": "Floral Pastels"}]},
{"title": "Pet Wipes for Dogs and Cats, Paws Butt Fur Cleaning Deodorizing, 100 Count Unscented Pet Grooming Wipes with 8\"x8\" Biodegradable Bamboo Fiber, Puppy Kitten Bath Wipe, Hypoallergenic, Licking Safety", "asin": "B0DLGBPDY8", "delivery": "FREE delivery Thu, May 1 FREE Returns", "quantity": "1", "selected": false, "options": [{"Size": "100 Count"}]},
{"title": "ROYDX Non Stick Healthy Ceramic Frying Pan,Stainless Steel Cookware Set,Large Stockpot with Steamer,Detachable Handles, PFOA,PFAS Free for All Stoves,Family Party,Space Saving,Induction Oven Safe", "asin": "B0D2CS9YB4", "delivery": "FREE delivery Fri, May 2 FREE Returns", "quantity": "1", "selected": false, "options": []},
{"title": "Maruchan Ramen Chicken, Instant Ramen Noodles, Ready to Eat Meals, 3 Oz, 24 Count", "asin": "B07222R3Y5", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items", "quantity": "1", "selected": false, "options": [{"Style": "Chicken"}]},
{"title": "Multipet's 18-Inch Floppy Loofa Light Weight No Stuffing Dog Toys, Assorted Colors", "asin": "B004HIJJNA", "delivery": "One-Day FREE delivery Tomorrow, Apr 29 FREE Returns", "quantity": "1", "selected": false, "options": [{"Style": "Floppy Surprise Color"}, {"Size": "18\""}]},
{"title": "Multipet's Original Loofa Jumbo Dog Toy in Assorted Colors, 24-Inch", "asin": "B000I7TUKG", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items FREE Returns", "quantity": "1", "selected": false, "options": [{"Style": "Plush Surprise Color"}, {"Size": "24\""}]}],
"saved_items": [{"title": "SportPet Designs Plastic Kennels Rolling Plastic Airline Approved Wire Door Travel Dog Crate, X-Large, Gray", "asin": "B07GCLM1LG", "options": []},
{"title": "19 Pack Travel Size Toiletries Containers Refillable Perfume Bottles Tsa Approved Travel Toiletry Bag For Women Must Haves Accessories Travel Essentials", "asin": "B0CD7GBR3L", "options": []},
{"title": "Women Open Cup Lingerie Satin Lace Chemise Backless Nightgown Sexy Full Slips Red M", "asin": "B08P3SGCQ5", "options": [{"Color": "Red"}, {"Size": "Medium"}]},
{"title": "Samyang Buldak Spicy Ramen, Hot Chicken Ramen, Korean Stir-Fried Instant Noodle, Original, 1 Bag with 5 Pack", "asin": "B0C9D5576K", "options": []},
{"title": "Nissin Top Ramen Noodle Soup, Chicken, 3 Ounce (Pack of 24)", "asin": "B006MBTC50", "options": [{"Flavor Name": "Chicken"}, {"Size": "3 Ounce (Pack of 24)"}]},
{"title": "2 in 1 Upgraded Food-grade Oil Dispenser and Mister, 16oz/470ml for Cooking, Olive Oil Sprayer Bottle with Brush for Air Fryer, Salad, BBQ (Black)", "asin": "B0D14NVMXB", "options": [{"Color": "Black"}]},
{"title": "Shintenchi 2-Tier Bookshelf: Tall Industrial Bookcase for Living Room/Home/Office, Modern Book Holder with Storage Rack Shelves - White", "asin": "B0CG1J6G38", "options": [{"Color": "2pcs/White"}]},
{"title": "Primy Office Chair Ergonomic Desk Chair, High Back Computer Gaming Chair, Comfy Big and Tall Home Office Chair with Lumbar Support, Breathable Mesh Reclining Chair Adjustable Armrests Headrest(White)", "asin": "B0CND2X86Z", "options": []},
{"title": "Fender Player Stratocaster SSS Electric Guitar, 3-Color Sunburst, Pau Ferro Fingerboard", "asin": "B07CTW5KZ7", "price": "$849.99", "options": [{"Color": "3-Color Sunburst"}, {"Style": "Pau Ferro Fingerboard"}, {"Set": "SSS"}]},
{"title": "Apple Watch Series 9 [GPS 41mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band M/L. Fitness Tracker, ECG Apps, Always-On Retina Display, Water Resistant", "asin": "B0CSTJ2Y5F", "price": "$366.99", "options": [{"Color": "Midnight Aluminum Case with Midnight Sport Band"}, {"Size": "41mm Case"}, {"Style": "M/L - fits 150\u2013200mm wrists"}]}]
<|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": "2025-04-28T04:03:24.718Z", // 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": "2025-04-28T04:00:24.973Z", "action": "click_product", "action_argument": ""}
{"timestamp": "2025-04-28T04:01:04.111Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:07.736Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-28T04:02:28.389Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:31.491Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:34.531Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:03:12.435Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-28T04:03:14.798Z", "action": "click", "action_argument": "cart_side_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": "The Only Bean Crunchy Dry Roasted Edamame Snacks (Sea Salt), Keto Snack Food, High Protein (11g) Healthy Snacks, Low Carb Gluten Free Office Vegan Food 100 Calorie Snack Pack, 0.9oz 10 Pack", "asin": "B09FFXR2VV", "price": "$12.72", "quantity": ""},
{"title": "Amazon Basics Digital Kitchen Scale with LCD Display, Batteries Included, Weighs up to 11 pounds, Black and Stainless Steel", "asin": "B06X9NQ8GX", "price": "$10.49", "quantity": ""},
{"title": "Slim Jim Smoked Meat Sticks, Original Flavor, 6g Protein Per Serving, Snack Size, 0.28 oz. (14 Count)", "asin": "B009M8VWT4", "price": "$4.12", "quantity": ""},
{"title": "Slim Jim Smoked Meat Sticks, Original Flavor, 6g Protein Per Serving, Snack Size, 0.28 oz. (46 Count)", "asin": "B071G6PFDR", "price": "$12.17", "quantity": ""},
{"title": "Wonderful Pistachios No Shells, Roasted & Salted Nuts, 0.75 Ounce Bag (Pack of 9), Protein Snacks, Gluten Free, On-the-Go, Individually Wrapped Snacks", "asin": "B07XSKK6Z4", "price": "$7.78", "quantity": ""},
{"title": "RITZ Fresh Stacks Original Crackers, Party Size, Travel Snacks, 23.7 oz (16 Multi Snack Packs)", "asin": "B082N7TPQP", "price": "$5.98", "quantity": ""},
{"title": "Snack Pack Chocolate and Vanilla Flavored Pudding Cups Family Pack, 12 Count Pudding Cups (1 Pack)", "asin": "B013OY25GA", "price": "$3.29", "quantity": ""},
{"title": "Jack Link's Beef Jerky Variety Pack Includes Original and Teriyaki Jerky, Bulk Protein Snack Bags, Good Source of Protein, Meat Snacks Made with 100% Beef, Individual Bags 1.25 Oz (Pack of 9)", "asin": "B014ABUQVC", "price": "$19.96", "quantity": ""},
{"title": "14-15V AC/DC Adapter Replacement for Yamaha THR10 THR10C THR10X 10 Watt THR5 THR5A 5 Watts Effects Classic Modeling Combo Guitar Amplifier Amp Mini TSS-15 TSS15 Pro Logic II DTS Power Supply", "asin": "B073Z1SS1R", "price": "$20.49", "quantity": ""},
{"title": "Genuine Yamaha AC Adapter Power Supply DC12V 700mA 12.5W Model: PA-3C 12V", "asin": "B00008BCXU", "price": "$20.40", "quantity": ""},
{"title": "Auspow 12V 1.5A Power Adapter for Yamaha PA130 PA150, 12V 1.5A Power Supply for Yamaha PSR YPG YPT DGX DD EZ Series Keyboard (9.8 Ft Long Cord)", "asin": "B0BLNRWH7D", "price": "$8.99", "quantity": ""},
{"title": "Yamaha THR5 10-Watt Desktop Guitar Combo Amp", "asin": "B007J0UWMU", "price": "$209.99", "quantity": ""},
{"title": "MTDZKJG 15V 3A Power Supply 45W AC Adapter 100~240V AC to DC 15V Transformer with 5.5mm x 2.5mm/2.1mm Plug for 15Volt 500mA 1000mA 1500mA 2000mA 2500mA 3000mA Equipment", "asin": "B0CCSGTSDD", "price": "$9.99", "quantity": ""},
{"title": "Yamaha THR Wired Desktop 15 Guitar Amps and 8 Effects, Bluetooth-Enabled, Standard Color (THR10II)", "asin": "B07XNL8127", "price": "$329.99", "quantity": ""}],
"active_items": [{"title": "CASIMY 15V AC Adapter Compatible with Yamaha THR10 THR10C THR10X THR5 THR5A THR10II THR30II WL THR30IIA Yamaha Mini TSS-15 TSS15 DTS Wireless Guitar Amplifier Amp Effects Power Supply Charger", "asin": "B0CHF8VN73", "delivery": "FREE delivery Fri, May 2", "quantity": "1", "selected": true, "options": []},
{"title": "Gimme Seaweed Organic Premium Roasted Seaweed Snacks, Sea Salt & Avocado Oil, 20 Count, Keto, Vegan, Gluten-Free, Great Source of Omega3s and Iodine, Healthy On-The-Go Snack for Kids and Adults", "asin": "B088PRVMXL", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items", "quantity": "1", "selected": false, "options": [{"Style": "#2 Sea Salt & Avocado Oil"}]},
{"title": "Bentgo Prep 60-Piece Meal Prep Kit - Reusable Food Containers 1-Compartment, 2-Compartment, & 3-Compartments for Healthy Eating - Microwave, Freezer, & Dishwasher Safe (Floral Pastels)", "asin": "B09DHYTDBD", "delivery": "One-Day FREE delivery Tomorrow, Apr 29 FREE Returns", "quantity": "1", "selected": false, "options": [{"Color": "Floral Pastels"}]},
{"title": "Pet Wipes for Dogs and Cats, Paws Butt Fur Cleaning Deodorizing, 100 Count Unscented Pet Grooming Wipes with 8\"x8\" Biodegradable Bamboo Fiber, Puppy Kitten Bath Wipe, Hypoallergenic, Licking Safety", "asin": "B0DLGBPDY8", "delivery": "FREE delivery Thu, May 1 FREE Returns", "quantity": "1", "selected": false, "options": [{"Size": "100 Count"}]},
{"title": "ROYDX Non Stick Healthy Ceramic Frying Pan,Stainless Steel Cookware Set,Large Stockpot with Steamer,Detachable Handles, PFOA,PFAS Free for All Stoves,Family Party,Space Saving,Induction Oven Safe", "asin": "B0D2CS9YB4", "delivery": "FREE delivery Fri, May 2 FREE Returns", "quantity": "1", "selected": false, "options": []},
{"title": "Maruchan Ramen Chicken, Instant Ramen Noodles, Ready to Eat Meals, 3 Oz, 24 Count", "asin": "B07222R3Y5", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items", "quantity": "1", "selected": false, "options": [{"Style": "Chicken"}]},
{"title": "Multipet's 18-Inch Floppy Loofa Light Weight No Stuffing Dog Toys, Assorted Colors", "asin": "B004HIJJNA", "delivery": "One-Day FREE delivery Tomorrow, Apr 29 FREE Returns", "quantity": "1", "selected": false, "options": [{"Style": "Floppy Surprise Color"}, {"Size": "18\""}]},
{"title": "Multipet's Original Loofa Jumbo Dog Toy in Assorted Colors, 24-Inch", "asin": "B000I7TUKG", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items FREE Returns", "quantity": "1", "selected": false, "options": [{"Style": "Plush Surprise Color"}, {"Size": "24\""}]}],
"saved_items": [{"title": "SportPet Designs Plastic Kennels Rolling Plastic Airline Approved Wire Door Travel Dog Crate, X-Large, Gray", "asin": "B07GCLM1LG", "options": []},
{"title": "19 Pack Travel Size Toiletries Containers Refillable Perfume Bottles Tsa Approved Travel Toiletry Bag For Women Must Haves Accessories Travel Essentials", "asin": "B0CD7GBR3L", "options": []},
{"title": "Women Open Cup Lingerie Satin Lace Chemise Backless Nightgown Sexy Full Slips Red M", "asin": "B08P3SGCQ5", "options": [{"Color": "Red"}, {"Size": "Medium"}]},
{"title": "Samyang Buldak Spicy Ramen, Hot Chicken Ramen, Korean Stir-Fried Instant Noodle, Original, 1 Bag with 5 Pack", "asin": "B0C9D5576K", "options": []},
{"title": "Nissin Top Ramen Noodle Soup, Chicken, 3 Ounce (Pack of 24)", "asin": "B006MBTC50", "options": [{"Flavor Name": "Chicken"}, {"Size": "3 Ounce (Pack of 24)"}]},
{"title": "2 in 1 Upgraded Food-grade Oil Dispenser and Mister, 16oz/470ml for Cooking, Olive Oil Sprayer Bottle with Brush for Air Fryer, Salad, BBQ (Black)", "asin": "B0D14NVMXB", "options": [{"Color": "Black"}]},
{"title": "Shintenchi 2-Tier Bookshelf: Tall Industrial Bookcase for Living Room/Home/Office, Modern Book Holder with Storage Rack Shelves - White", "asin": "B0CG1J6G38", "options": [{"Color": "2pcs/White"}]},
{"title": "Primy Office Chair Ergonomic Desk Chair, High Back Computer Gaming Chair, Comfy Big and Tall Home Office Chair with Lumbar Support, Breathable Mesh Reclining Chair Adjustable Armrests Headrest(White)", "asin": "B0CND2X86Z", "options": []},
{"title": "Fender Player Stratocaster SSS Electric Guitar, 3-Color Sunburst, Pau Ferro Fingerboard", "asin": "B07CTW5KZ7", "price": "$849.99", "options": [{"Color": "3-Color Sunburst"}, {"Style": "Pau Ferro Fingerboard"}, {"Set": "SSS"}]},
{"title": "Apple Watch Series 9 [GPS 41mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band M/L. Fitness Tracker, ECG Apps, Always-On Retina Display, Water Resistant", "asin": "B0CSTJ2Y5F", "price": "$366.99", "options": [{"Color": "Midnight Aluminum Case with Midnight Sport Band"}, {"Size": "41mm Case"}, {"Style": "M/L - fits 150\u2013200mm wrists"}]}]
<|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": "2025-04-28T04:03:24.718Z", // 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>

<|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": "2025-04-28T04:00:24.973Z", "action": "click_product", "action_argument": ""}
{"timestamp": "2025-04-28T04:01:04.111Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:07.736Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-28T04:02:28.389Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:31.491Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:02:34.531Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T04:03:12.435Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-28T04:03:14.798Z", "action": "click", "action_argument": "cart_side_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": "The Only Bean Crunchy Dry Roasted Edamame Snacks (Sea Salt), Keto Snack Food, High Protein (11g) Healthy Snacks, Low Carb Gluten Free Office Vegan Food 100 Calorie Snack Pack, 0.9oz 10 Pack", "asin": "B09FFXR2VV", "price": "$12.72", "quantity": ""},
{"title": "Amazon Basics Digital Kitchen Scale with LCD Display, Batteries Included, Weighs up to 11 pounds, Black and Stainless Steel", "asin": "B06X9NQ8GX", "price": "$10.49", "quantity": ""},
{"title": "Slim Jim Smoked Meat Sticks, Original Flavor, 6g Protein Per Serving, Snack Size, 0.28 oz. (14 Count)", "asin": "B009M8VWT4", "price": "$4.12", "quantity": ""},
{"title": "Slim Jim Smoked Meat Sticks, Original Flavor, 6g Protein Per Serving, Snack Size, 0.28 oz. (46 Count)", "asin": "B071G6PFDR", "price": "$12.17", "quantity": ""},
{"title": "Wonderful Pistachios No Shells, Roasted & Salted Nuts, 0.75 Ounce Bag (Pack of 9), Protein Snacks, Gluten Free, On-the-Go, Individually Wrapped Snacks", "asin": "B07XSKK6Z4", "price": "$7.78", "quantity": ""},
{"title": "RITZ Fresh Stacks Original Crackers, Party Size, Travel Snacks, 23.7 oz (16 Multi Snack Packs)", "asin": "B082N7TPQP", "price": "$5.98", "quantity": ""},
{"title": "Snack Pack Chocolate and Vanilla Flavored Pudding Cups Family Pack, 12 Count Pudding Cups (1 Pack)", "asin": "B013OY25GA", "price": "$3.29", "quantity": ""},
{"title": "Jack Link's Beef Jerky Variety Pack Includes Original and Teriyaki Jerky, Bulk Protein Snack Bags, Good Source of Protein, Meat Snacks Made with 100% Beef, Individual Bags 1.25 Oz (Pack of 9)", "asin": "B014ABUQVC", "price": "$19.96", "quantity": ""},
{"title": "14-15V AC/DC Adapter Replacement for Yamaha THR10 THR10C THR10X 10 Watt THR5 THR5A 5 Watts Effects Classic Modeling Combo Guitar Amplifier Amp Mini TSS-15 TSS15 Pro Logic II DTS Power Supply", "asin": "B073Z1SS1R", "price": "$20.49", "quantity": ""},
{"title": "Genuine Yamaha AC Adapter Power Supply DC12V 700mA 12.5W Model: PA-3C 12V", "asin": "B00008BCXU", "price": "$20.40", "quantity": ""},
{"title": "Auspow 12V 1.5A Power Adapter for Yamaha PA130 PA150, 12V 1.5A Power Supply for Yamaha PSR YPG YPT DGX DD EZ Series Keyboard (9.8 Ft Long Cord)", "asin": "B0BLNRWH7D", "price": "$8.99", "quantity": ""},
{"title": "Yamaha THR5 10-Watt Desktop Guitar Combo Amp", "asin": "B007J0UWMU", "price": "$209.99", "quantity": ""},
{"title": "MTDZKJG 15V 3A Power Supply 45W AC Adapter 100~240V AC to DC 15V Transformer with 5.5mm x 2.5mm/2.1mm Plug for 15Volt 500mA 1000mA 1500mA 2000mA 2500mA 3000mA Equipment", "asin": "B0CCSGTSDD", "price": "$9.99", "quantity": ""},
{"title": "Yamaha THR Wired Desktop 15 Guitar Amps and 8 Effects, Bluetooth-Enabled, Standard Color (THR10II)", "asin": "B07XNL8127", "price": "$329.99", "quantity": ""}],
"active_items": [{"title": "CASIMY 15V AC Adapter Compatible with Yamaha THR10 THR10C THR10X THR5 THR5A THR10II THR30II WL THR30IIA Yamaha Mini TSS-15 TSS15 DTS Wireless Guitar Amplifier Amp Effects Power Supply Charger", "asin": "B0CHF8VN73", "delivery": "FREE delivery Fri, May 2", "quantity": "1", "selected": true, "options": []},
{"title": "Gimme Seaweed Organic Premium Roasted Seaweed Snacks, Sea Salt & Avocado Oil, 20 Count, Keto, Vegan, Gluten-Free, Great Source of Omega3s and Iodine, Healthy On-The-Go Snack for Kids and Adults", "asin": "B088PRVMXL", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items", "quantity": "1", "selected": false, "options": [{"Style": "#2 Sea Salt & Avocado Oil"}]},
{"title": "Bentgo Prep 60-Piece Meal Prep Kit - Reusable Food Containers 1-Compartment, 2-Compartment, & 3-Compartments for Healthy Eating - Microwave, Freezer, & Dishwasher Safe (Floral Pastels)", "asin": "B09DHYTDBD", "delivery": "One-Day FREE delivery Tomorrow, Apr 29 FREE Returns", "quantity": "1", "selected": false, "options": [{"Color": "Floral Pastels"}]},
{"title": "Pet Wipes for Dogs and Cats, Paws Butt Fur Cleaning Deodorizing, 100 Count Unscented Pet Grooming Wipes with 8\"x8\" Biodegradable Bamboo Fiber, Puppy Kitten Bath Wipe, Hypoallergenic, Licking Safety", "asin": "B0DLGBPDY8", "delivery": "FREE delivery Thu, May 1 FREE Returns", "quantity": "1", "selected": false, "options": [{"Size": "100 Count"}]},
{"title": "ROYDX Non Stick Healthy Ceramic Frying Pan,Stainless Steel Cookware Set,Large Stockpot with Steamer,Detachable Handles, PFOA,PFAS Free for All Stoves,Family Party,Space Saving,Induction Oven Safe", "asin": "B0D2CS9YB4", "delivery": "FREE delivery Fri, May 2 FREE Returns", "quantity": "1", "selected": false, "options": []},
{"title": "Maruchan Ramen Chicken, Instant Ramen Noodles, Ready to Eat Meals, 3 Oz, 24 Count", "asin": "B07222R3Y5", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items", "quantity": "1", "selected": false, "options": [{"Style": "Chicken"}]},
{"title": "Multipet's 18-Inch Floppy Loofa Light Weight No Stuffing Dog Toys, Assorted Colors", "asin": "B004HIJJNA", "delivery": "One-Day FREE delivery Tomorrow, Apr 29 FREE Returns", "quantity": "1", "selected": false, "options": [{"Style": "Floppy Surprise Color"}, {"Size": "18\""}]},
{"title": "Multipet's Original Loofa Jumbo Dog Toy in Assorted Colors, 24-Inch", "asin": "B000I7TUKG", "delivery": "Same-Day FREE delivery Today 10\u202fAM - 3\u202fPM on $25 of qualifying items FREE Returns", "quantity": "1", "selected": false, "options": [{"Style": "Plush Surprise Color"}, {"Size": "24\""}]}],
"saved_items": [{"title": "SportPet Designs Plastic Kennels Rolling Plastic Airline Approved Wire Door Travel Dog Crate, X-Large, Gray", "asin": "B07GCLM1LG", "options": []},
{"title": "19 Pack Travel Size Toiletries Containers Refillable Perfume Bottles Tsa Approved Travel Toiletry Bag For Women Must Haves Accessories Travel Essentials", "asin": "B0CD7GBR3L", "options": []},
{"title": "Women Open Cup Lingerie Satin Lace Chemise Backless Nightgown Sexy Full Slips Red M", "asin": "B08P3SGCQ5", "options": [{"Color": "Red"}, {"Size": "Medium"}]},
{"title": "Samyang Buldak Spicy Ramen, Hot Chicken Ramen, Korean Stir-Fried Instant Noodle, Original, 1 Bag with 5 Pack", "asin": "B0C9D5576K", "options": []},
{"title": "Nissin Top Ramen Noodle Soup, Chicken, 3 Ounce (Pack of 24)", "asin": "B006MBTC50", "options": [{"Flavor Name": "Chicken"}, {"Size": "3 Ounce (Pack of 24)"}]},
{"title": "2 in 1 Upgraded Food-grade Oil Dispenser and Mister, 16oz/470ml for Cooking, Olive Oil Sprayer Bottle with Brush for Air Fryer, Salad, BBQ (Black)", "asin": "B0D14NVMXB", "options": [{"Color": "Black"}]},
{"title": "Shintenchi 2-Tier Bookshelf: Tall Industrial Bookcase for Living Room/Home/Office, Modern Book Holder with Storage Rack Shelves - White", "asin": "B0CG1J6G38", "options": [{"Color": "2pcs/White"}]},
{"title": "Primy Office Chair Ergonomic Desk Chair, High Back Computer Gaming Chair, Comfy Big and Tall Home Office Chair with Lumbar Support, Breathable Mesh Reclining Chair Adjustable Armrests Headrest(White)", "asin": "B0CND2X86Z", "options": []},
{"title": "Fender Player Stratocaster SSS Electric Guitar, 3-Color Sunburst, Pau Ferro Fingerboard", "asin": "B07CTW5KZ7", "price": "$849.99", "options": [{"Color": "3-Color Sunburst"}, {"Style": "Pau Ferro Fingerboard"}, {"Set": "SSS"}]},
{"title": "Apple Watch Series 9 [GPS 41mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band M/L. Fitness Tracker, ECG Apps, Always-On Retina Display, Water Resistant", "asin": "B0CSTJ2Y5F", "price": "$366.99", "options": [{"Color": "Midnight Aluminum Case with Midnight Sport Band"}, {"Size": "41mm Case"}, {"Style": "M/L - fits 150\u2013200mm wrists"}]}]
<|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": "2025-04-28T04:03:24.718Z", // 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>
