<|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|>
<|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": "EHZNZIE Clear Shower Curtain Liner Light Weight PEVA, Shower Liner 72x72 Inches, Waterproof, No Chemical Smell with 12 Rust Proof Metal Grommets for Bathroom Shower Curtain", "asin": "", "price": "$4.47", "quantity": ""},
{"title": "Zenna Home Curved Tension Shower Curtain Rod, Rustproof, Satin Nickel, 50 to 72 Inches \u2013 Adjustable Shower Curtain Rod for Bathroom, Easy No Drill Install \u2013 NeverRust Tension Shower Curtain Pole", "asin": "", "price": "$43.78", "quantity": ""},
{"title": "BigFoot Shower Curtain Liner \u2013 72 x 72 PEVA Premium Shower Curtain with Rustproof Metal Grommet and 3 Magnetic Weights \u2013 Odor Free and Compatible with Standard Showers, Clear", "asin": "", "price": "$9.99", "quantity": ""},
{"title": "GKLEASG Boho Mid Century Shower Curtain, Minimalist Abstract Arch Simple Sun Modern Machine Washable Waterproof Fabric for Bathroom Decor Bathtub with 12 Hooks 72x72", "asin": "", "price": "$13.99", "quantity": ""},
{"title": "UIOSANRT Stainless Silver Shower Curtain Rod 31-79 Inches Non-Slip Shower Rod Tension Mounted No Drill Shower Curtain Rods Spring Tension Rod Adjustable Tension Curtain Rod for Windows Bathroom", "asin": "", "price": "", "quantity": ""},
{"title": "Gelbchu Grey Shower Curtain, Waterproof Design and Polyester, Quick-Drying, Weighted Hem, Shower Curtains Set for Bathroom W 72 x H 72, Machine Washable with 12 Hooks", "asin": "", "price": "", "quantity": ""},
{"title": "Titanker Clear Shower Curtain Liner, Plastic Shower Liner PEVA 72 x 72 Lightweight Waterproof Shower Curtains for Bathroom with Magnets and Rustproof Grommets", "asin": "", "price": "", "quantity": ""},
{"title": "AmazerBath White Shower Curtain Fabric, Waffle Shower Curtains for Bathroom, Cloth Shower Curtain Heavy Duty, Thick Bathroom Shower Curtains Hotel Quality, Premium Polyester, 72x72 Inches", "asin": "", "price": "", "quantity": ""},
{"title": "MAYZUS Nautical Coastal Shower Curtain, Beach Ocean Theme Shower Curtain for Bathroom Decor, Summer Tropical Seashell Starfish Coral Fabric Shower Curtain Set with Hooks, Blue, 72x72", "asin": "", "price": "", "quantity": ""},
{"title": "Trucozie Battery Pack Attachment for Cordless Vacuum Cleaner T350 Black", "asin": "", "price": "$45.99", "quantity": ""},
{"title": "FORASTO 2 in 1 Toilet Plunger and Brush Set\uff0cExtended Handle Plunger\uff0cToilet Bowl Brush Plunger Set,Bathroom Cleaning Tools \uff0cToilet Brush Plunger Combo\uff0cCleaning Brush\uff0cBathroom Cleaning Supplies", "asin": "", "price": "$14.99", "quantity": ""},
{"title": "DEGNJU A19 LED Light Bulbs, 60 Watt Equivalent LED Bulbs, Soft White 2700K, 800 Lumens, E26 Standard Base, Non-Dimmable, 8.5W Warm White LED Bulbs for Bedroom Living Room, 3 Pack", "asin": "", "price": "$6.78", "quantity": ""},
{"title": "MR.SIGA Dustpan and Brush Set, Portable Cleaning Brush and Dustpan Combo with Bamboo Handle, White, 1 Set", "asin": "", "price": "$17.99", "quantity": ""},
{"title": "Knife Set, 15 Pcs Kitchen Knife Set with Block Self Sharpening, Dishwasher Safe, 6 Steak Knives, Anti-slip handle, Black", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "ASTOFLI Paper Towel Holder Under Cabinet No Drilling, Self Adhesive Paper Towel Holder Wall Mount for Kitchen Rack, Under Counter Napin Holder No Drill, RV, 304 Stainless Steel 12 Inch Matte Black", "asin": "", "price": "$7.99", "quantity": ""},
{"title": "TUYU Electric Spin Scrubber, Full-Body IPX7 Waterproof Bathroom Scrubber with Power LCD Display, Adjustable Extension Handle, Cordless Shower Cleaner Brush for Bathtub Kitchen Wall Cleaning", "asin": "", "price": "", "quantity": ""},
{"title": "Corelle Vitrelle 28-oz Soup/Cereal Bowls Set of 6, Chip & Crack Resistant Dinnerware Bowls for Soup, Ramen, Cereal and More, Triple Layer Glass, Winter Frost White", "asin": "", "price": "", "quantity": ""},
{"title": "JOYMOOP Mop and Bucket with Wringer Set, Hands Free Flat Floor Mop and Bucket, with 3 Washable Microfiber Pads, Wet and Dry Use, Floor Cleaning System", "asin": "", "price": "", "quantity": ""},
{"title": "DEGNJU A19 LED Light Bulbs, 60 Watt Equivalent LED Bulbs, Soft White 2700K, 800 Lumens, E26 Standard Base, Non-Dimmable, 8.5W Warm White LED Bulbs for Bedroom Living Room, 3 Pack", "asin": "", "price": "$6.78", "quantity": ""},
{"title": "Trucozie Battery Pack Attachment for Cordless Vacuum Cleaner T350 Black", "asin": "", "price": "$45.99", "quantity": ""},
{"title": "Air Fryer Paper Liners, 125Pcs Air Fryer Disposable Liners, Non-Stick and Oil Proof for Easy Cleanup, 8\u201d Square for 5-8 qt Basket by Baker's Signature", "asin": "", "price": "$12.99", "quantity": ""},
{"title": "TUYU Electric Spin Scrubber, Full-Body IPX7 Waterproof Bathroom Scrubber with Power LCD Display, Adjustable Extension Handle, Cordless Shower Cleaner Brush for Bathtub Kitchen Wall Cleaning", "asin": "", "price": "$34.99", "quantity": ""},
{"title": "JOYMOOP Mop and Bucket with Wringer Set, Hands Free Flat Floor Mop and Bucket, with 3 Washable Microfiber Pads, Wet and Dry Use, Floor Cleaning System", "asin": "", "price": "$31.95", "quantity": ""},
{"title": "Floerns Women's Deep V Neck Twisted Plunging High Slit Mini Party Dress", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "Knife Set, 15 Pcs Kitchen Knife Set with Block Self Sharpening, Dishwasher Safe, 6 Steak Knives, Anti-slip handle, Black", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "Swiffer Duster Heavy Duty Dusting Kit, Cleaning Supplies, 3 ft Extended Handle, 1 Duster, 12 Refills", "asin": "", "price": "$23.05", "quantity": ""},
{"title": "Corelle Vitrelle 28-oz Soup/Cereal Bowls Set of 6, Chip & Crack Resistant Dinnerware Bowls for Soup, Ramen, Cereal and More, Triple Layer Glass, Winter Frost White", "asin": "", "price": "$38.49", "quantity": ""},
{"title": "Trucozie Cordless Vacuum Cleaner, 8-in-1 Lightweight Stick Vacuum with 45mins Runtime, Powerful Suction, Rechargeable Cordless Vacuum for Carpet, Tile, Pet Hair, Hardwood Floors, Black", "asin": "", "price": "$87.99", "quantity": ""},
{"title": "MBYULO Cordless Vacuum Cleaner, 450W 40Kpa Powerful Stick Vacuum, Up to 50Mins Rechargeable Battery, Vacuum Cleaners for Home Anti-Tangled Lightweight Handheld for Hardwood Floor, Carpets, Pet Hair", "asin": "", "price": "$139.99", "quantity": ""},
{"title": "KCLASO Cordless Vacuum Cleaner, 550W 45KPA Longlasting Vacuum Cleaners for Home, Stick Vacuum with LED Touch Screen & Rechargeable 2500 mAh Battery, Handheld Vacuum for Pet Hair/Carpet/Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 550W/45KPA Self-Standing Vacuum Cleaners for Home, Max 60Mins Anti-Tangle Stick Vacuum with Aromatherapy, Dual-Handheld Lightweight Vacuum for Pet Hair, Carpets, Hardwood", "asin": "", "price": "$149.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 40Kpa 45Mins Vacuum Cleaners for Home, 8-in-1 Lightweight Stick Vacuum with Powerful Suction, Anti-tangle Wireless Vacuum for Carpet, Tile, Pet Hair, Hardwood Floors, Black", "asin": "", "price": "$129.99", "quantity": ""},
{"title": "N8 Cordless Vacuum Cleaner, Lightweight Stick Vacuum with Powerful Suction, 2200mAh Battery, 40 Mins Runtime, Self-Standing, Rechargeable Vacuum Cleaners for Home Hardwood Floor Carpet Pet Hair (Gold)", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "CHEBIO Cordless Vacuum Cleaner, Stick Vacuum with Powerful Suction, 45Mins Runtime Vacuum Cleaners for Home, Anti-tangle and 1.5L Dust Cup, 6 in 1 Lightweight Vacuum for Hardwood Floor Carpet Pet Hair", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Vexilar V8PRO Cordless Vacuum Cleaner for Home - 25Kpa Stick Vacuum with Self Standing Design, Max 35Min Runtime, 6 in 1 Lightweight Vacuum for Hardwood Floors and Carpet Pet Hair (Champagne)", "asin": "", "price": "$79.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 40Kpa Vacuum Cleaners for Home, Max 50 Mins Runtime, Anti-Tangled Stick Vacuum, Lightweight Vacuum for Carpet, Hard Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner with Self-Standing, LED Screen Stick Vacuum Cleaners for Home, Lightweight Powerful Suction Vacuum, 6-in-1 Rechargeable Vacuum for Carpets, Pet Hair, Hardwood Floors", "asin": "", "price": "$88.99", "quantity": ""},
{"title": "AFNOP Cordless Vacuum Cleaner, 550W/45Kpa/65Mins Vacuum Cleaners for Home, Self-Standing Stick Vacuum with LED Display, Rechargeable Cordless Vacuum, Lightweight for Carpet, Pet Hair, Hardwood Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "NADALY Cordless Vacuum Cleaner, Powerful Stick Vacuum with 45min Runtime, Anti-Tangle Vacuum Cleaners for Home, 1.5L Dust Cup, Rechargeable Wireless Vacuum for Hardwood Floor Carpet Pet Hair", "asin": "", "price": "$79.98", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 550W 45KPA 60 Mins Runtime Vacuum Cleaners for Home, Stick Vacuum with Self-Standing, Wall Mount Charging and Intelligent Auto Mode, Handheld Vacuum for Pet Hair/Carpet/Floor", "asin": "", "price": "$129.99", "quantity": ""},
{"title": "NADALY Cordless Vacuum Cleaner, Stick Vacuum with 3 Powerful Suction Modes, Max 45 Mins Runtime, Anti-Tangle Vacuum Cleaner for Home, 8-in-1 Rechargeable Vacuum for Carpet, Pet Hair, Hard Floors", "asin": "", "price": "$79.98", "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": "2025-04-24T00:00:12.514Z", // 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|>
<|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": "EHZNZIE Clear Shower Curtain Liner Light Weight PEVA, Shower Liner 72x72 Inches, Waterproof, No Chemical Smell with 12 Rust Proof Metal Grommets for Bathroom Shower Curtain", "asin": "", "price": "$4.47", "quantity": ""},
{"title": "Zenna Home Curved Tension Shower Curtain Rod, Rustproof, Satin Nickel, 50 to 72 Inches \u2013 Adjustable Shower Curtain Rod for Bathroom, Easy No Drill Install \u2013 NeverRust Tension Shower Curtain Pole", "asin": "", "price": "$43.78", "quantity": ""},
{"title": "BigFoot Shower Curtain Liner \u2013 72 x 72 PEVA Premium Shower Curtain with Rustproof Metal Grommet and 3 Magnetic Weights \u2013 Odor Free and Compatible with Standard Showers, Clear", "asin": "", "price": "$9.99", "quantity": ""},
{"title": "GKLEASG Boho Mid Century Shower Curtain, Minimalist Abstract Arch Simple Sun Modern Machine Washable Waterproof Fabric for Bathroom Decor Bathtub with 12 Hooks 72x72", "asin": "", "price": "$13.99", "quantity": ""},
{"title": "UIOSANRT Stainless Silver Shower Curtain Rod 31-79 Inches Non-Slip Shower Rod Tension Mounted No Drill Shower Curtain Rods Spring Tension Rod Adjustable Tension Curtain Rod for Windows Bathroom", "asin": "", "price": "", "quantity": ""},
{"title": "Gelbchu Grey Shower Curtain, Waterproof Design and Polyester, Quick-Drying, Weighted Hem, Shower Curtains Set for Bathroom W 72 x H 72, Machine Washable with 12 Hooks", "asin": "", "price": "", "quantity": ""},
{"title": "Titanker Clear Shower Curtain Liner, Plastic Shower Liner PEVA 72 x 72 Lightweight Waterproof Shower Curtains for Bathroom with Magnets and Rustproof Grommets", "asin": "", "price": "", "quantity": ""},
{"title": "AmazerBath White Shower Curtain Fabric, Waffle Shower Curtains for Bathroom, Cloth Shower Curtain Heavy Duty, Thick Bathroom Shower Curtains Hotel Quality, Premium Polyester, 72x72 Inches", "asin": "", "price": "", "quantity": ""},
{"title": "MAYZUS Nautical Coastal Shower Curtain, Beach Ocean Theme Shower Curtain for Bathroom Decor, Summer Tropical Seashell Starfish Coral Fabric Shower Curtain Set with Hooks, Blue, 72x72", "asin": "", "price": "", "quantity": ""},
{"title": "Trucozie Battery Pack Attachment for Cordless Vacuum Cleaner T350 Black", "asin": "", "price": "$45.99", "quantity": ""},
{"title": "FORASTO 2 in 1 Toilet Plunger and Brush Set\uff0cExtended Handle Plunger\uff0cToilet Bowl Brush Plunger Set,Bathroom Cleaning Tools \uff0cToilet Brush Plunger Combo\uff0cCleaning Brush\uff0cBathroom Cleaning Supplies", "asin": "", "price": "$14.99", "quantity": ""},
{"title": "DEGNJU A19 LED Light Bulbs, 60 Watt Equivalent LED Bulbs, Soft White 2700K, 800 Lumens, E26 Standard Base, Non-Dimmable, 8.5W Warm White LED Bulbs for Bedroom Living Room, 3 Pack", "asin": "", "price": "$6.78", "quantity": ""},
{"title": "MR.SIGA Dustpan and Brush Set, Portable Cleaning Brush and Dustpan Combo with Bamboo Handle, White, 1 Set", "asin": "", "price": "$17.99", "quantity": ""},
{"title": "Knife Set, 15 Pcs Kitchen Knife Set with Block Self Sharpening, Dishwasher Safe, 6 Steak Knives, Anti-slip handle, Black", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "ASTOFLI Paper Towel Holder Under Cabinet No Drilling, Self Adhesive Paper Towel Holder Wall Mount for Kitchen Rack, Under Counter Napin Holder No Drill, RV, 304 Stainless Steel 12 Inch Matte Black", "asin": "", "price": "$7.99", "quantity": ""},
{"title": "TUYU Electric Spin Scrubber, Full-Body IPX7 Waterproof Bathroom Scrubber with Power LCD Display, Adjustable Extension Handle, Cordless Shower Cleaner Brush for Bathtub Kitchen Wall Cleaning", "asin": "", "price": "", "quantity": ""},
{"title": "Corelle Vitrelle 28-oz Soup/Cereal Bowls Set of 6, Chip & Crack Resistant Dinnerware Bowls for Soup, Ramen, Cereal and More, Triple Layer Glass, Winter Frost White", "asin": "", "price": "", "quantity": ""},
{"title": "JOYMOOP Mop and Bucket with Wringer Set, Hands Free Flat Floor Mop and Bucket, with 3 Washable Microfiber Pads, Wet and Dry Use, Floor Cleaning System", "asin": "", "price": "", "quantity": ""},
{"title": "DEGNJU A19 LED Light Bulbs, 60 Watt Equivalent LED Bulbs, Soft White 2700K, 800 Lumens, E26 Standard Base, Non-Dimmable, 8.5W Warm White LED Bulbs for Bedroom Living Room, 3 Pack", "asin": "", "price": "$6.78", "quantity": ""},
{"title": "Trucozie Battery Pack Attachment for Cordless Vacuum Cleaner T350 Black", "asin": "", "price": "$45.99", "quantity": ""},
{"title": "Air Fryer Paper Liners, 125Pcs Air Fryer Disposable Liners, Non-Stick and Oil Proof for Easy Cleanup, 8\u201d Square for 5-8 qt Basket by Baker's Signature", "asin": "", "price": "$12.99", "quantity": ""},
{"title": "TUYU Electric Spin Scrubber, Full-Body IPX7 Waterproof Bathroom Scrubber with Power LCD Display, Adjustable Extension Handle, Cordless Shower Cleaner Brush for Bathtub Kitchen Wall Cleaning", "asin": "", "price": "$34.99", "quantity": ""},
{"title": "JOYMOOP Mop and Bucket with Wringer Set, Hands Free Flat Floor Mop and Bucket, with 3 Washable Microfiber Pads, Wet and Dry Use, Floor Cleaning System", "asin": "", "price": "$31.95", "quantity": ""},
{"title": "Floerns Women's Deep V Neck Twisted Plunging High Slit Mini Party Dress", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "Knife Set, 15 Pcs Kitchen Knife Set with Block Self Sharpening, Dishwasher Safe, 6 Steak Knives, Anti-slip handle, Black", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "Swiffer Duster Heavy Duty Dusting Kit, Cleaning Supplies, 3 ft Extended Handle, 1 Duster, 12 Refills", "asin": "", "price": "$23.05", "quantity": ""},
{"title": "Corelle Vitrelle 28-oz Soup/Cereal Bowls Set of 6, Chip & Crack Resistant Dinnerware Bowls for Soup, Ramen, Cereal and More, Triple Layer Glass, Winter Frost White", "asin": "", "price": "$38.49", "quantity": ""},
{"title": "Trucozie Cordless Vacuum Cleaner, 8-in-1 Lightweight Stick Vacuum with 45mins Runtime, Powerful Suction, Rechargeable Cordless Vacuum for Carpet, Tile, Pet Hair, Hardwood Floors, Black", "asin": "", "price": "$87.99", "quantity": ""},
{"title": "MBYULO Cordless Vacuum Cleaner, 450W 40Kpa Powerful Stick Vacuum, Up to 50Mins Rechargeable Battery, Vacuum Cleaners for Home Anti-Tangled Lightweight Handheld for Hardwood Floor, Carpets, Pet Hair", "asin": "", "price": "$139.99", "quantity": ""},
{"title": "KCLASO Cordless Vacuum Cleaner, 550W 45KPA Longlasting Vacuum Cleaners for Home, Stick Vacuum with LED Touch Screen & Rechargeable 2500 mAh Battery, Handheld Vacuum for Pet Hair/Carpet/Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 550W/45KPA Self-Standing Vacuum Cleaners for Home, Max 60Mins Anti-Tangle Stick Vacuum with Aromatherapy, Dual-Handheld Lightweight Vacuum for Pet Hair, Carpets, Hardwood", "asin": "", "price": "$149.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 40Kpa 45Mins Vacuum Cleaners for Home, 8-in-1 Lightweight Stick Vacuum with Powerful Suction, Anti-tangle Wireless Vacuum for Carpet, Tile, Pet Hair, Hardwood Floors, Black", "asin": "", "price": "$129.99", "quantity": ""},
{"title": "N8 Cordless Vacuum Cleaner, Lightweight Stick Vacuum with Powerful Suction, 2200mAh Battery, 40 Mins Runtime, Self-Standing, Rechargeable Vacuum Cleaners for Home Hardwood Floor Carpet Pet Hair (Gold)", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "CHEBIO Cordless Vacuum Cleaner, Stick Vacuum with Powerful Suction, 45Mins Runtime Vacuum Cleaners for Home, Anti-tangle and 1.5L Dust Cup, 6 in 1 Lightweight Vacuum for Hardwood Floor Carpet Pet Hair", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Vexilar V8PRO Cordless Vacuum Cleaner for Home - 25Kpa Stick Vacuum with Self Standing Design, Max 35Min Runtime, 6 in 1 Lightweight Vacuum for Hardwood Floors and Carpet Pet Hair (Champagne)", "asin": "", "price": "$79.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 40Kpa Vacuum Cleaners for Home, Max 50 Mins Runtime, Anti-Tangled Stick Vacuum, Lightweight Vacuum for Carpet, Hard Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner with Self-Standing, LED Screen Stick Vacuum Cleaners for Home, Lightweight Powerful Suction Vacuum, 6-in-1 Rechargeable Vacuum for Carpets, Pet Hair, Hardwood Floors", "asin": "", "price": "$88.99", "quantity": ""},
{"title": "AFNOP Cordless Vacuum Cleaner, 550W/45Kpa/65Mins Vacuum Cleaners for Home, Self-Standing Stick Vacuum with LED Display, Rechargeable Cordless Vacuum, Lightweight for Carpet, Pet Hair, Hardwood Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "NADALY Cordless Vacuum Cleaner, Powerful Stick Vacuum with 45min Runtime, Anti-Tangle Vacuum Cleaners for Home, 1.5L Dust Cup, Rechargeable Wireless Vacuum for Hardwood Floor Carpet Pet Hair", "asin": "", "price": "$79.98", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 550W 45KPA 60 Mins Runtime Vacuum Cleaners for Home, Stick Vacuum with Self-Standing, Wall Mount Charging and Intelligent Auto Mode, Handheld Vacuum for Pet Hair/Carpet/Floor", "asin": "", "price": "$129.99", "quantity": ""},
{"title": "NADALY Cordless Vacuum Cleaner, Stick Vacuum with 3 Powerful Suction Modes, Max 45 Mins Runtime, Anti-Tangle Vacuum Cleaner for Home, 8-in-1 Rechargeable Vacuum for Carpet, Pet Hair, Hard Floors", "asin": "", "price": "$79.98", "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": "2025-04-24T00:00:12.514Z", // 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|>
<|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": "EHZNZIE Clear Shower Curtain Liner Light Weight PEVA, Shower Liner 72x72 Inches, Waterproof, No Chemical Smell with 12 Rust Proof Metal Grommets for Bathroom Shower Curtain", "asin": "", "price": "$4.47", "quantity": ""},
{"title": "Zenna Home Curved Tension Shower Curtain Rod, Rustproof, Satin Nickel, 50 to 72 Inches \u2013 Adjustable Shower Curtain Rod for Bathroom, Easy No Drill Install \u2013 NeverRust Tension Shower Curtain Pole", "asin": "", "price": "$43.78", "quantity": ""},
{"title": "BigFoot Shower Curtain Liner \u2013 72 x 72 PEVA Premium Shower Curtain with Rustproof Metal Grommet and 3 Magnetic Weights \u2013 Odor Free and Compatible with Standard Showers, Clear", "asin": "", "price": "$9.99", "quantity": ""},
{"title": "GKLEASG Boho Mid Century Shower Curtain, Minimalist Abstract Arch Simple Sun Modern Machine Washable Waterproof Fabric for Bathroom Decor Bathtub with 12 Hooks 72x72", "asin": "", "price": "$13.99", "quantity": ""},
{"title": "UIOSANRT Stainless Silver Shower Curtain Rod 31-79 Inches Non-Slip Shower Rod Tension Mounted No Drill Shower Curtain Rods Spring Tension Rod Adjustable Tension Curtain Rod for Windows Bathroom", "asin": "", "price": "", "quantity": ""},
{"title": "Gelbchu Grey Shower Curtain, Waterproof Design and Polyester, Quick-Drying, Weighted Hem, Shower Curtains Set for Bathroom W 72 x H 72, Machine Washable with 12 Hooks", "asin": "", "price": "", "quantity": ""},
{"title": "Titanker Clear Shower Curtain Liner, Plastic Shower Liner PEVA 72 x 72 Lightweight Waterproof Shower Curtains for Bathroom with Magnets and Rustproof Grommets", "asin": "", "price": "", "quantity": ""},
{"title": "AmazerBath White Shower Curtain Fabric, Waffle Shower Curtains for Bathroom, Cloth Shower Curtain Heavy Duty, Thick Bathroom Shower Curtains Hotel Quality, Premium Polyester, 72x72 Inches", "asin": "", "price": "", "quantity": ""},
{"title": "MAYZUS Nautical Coastal Shower Curtain, Beach Ocean Theme Shower Curtain for Bathroom Decor, Summer Tropical Seashell Starfish Coral Fabric Shower Curtain Set with Hooks, Blue, 72x72", "asin": "", "price": "", "quantity": ""},
{"title": "Trucozie Battery Pack Attachment for Cordless Vacuum Cleaner T350 Black", "asin": "", "price": "$45.99", "quantity": ""},
{"title": "FORASTO 2 in 1 Toilet Plunger and Brush Set\uff0cExtended Handle Plunger\uff0cToilet Bowl Brush Plunger Set,Bathroom Cleaning Tools \uff0cToilet Brush Plunger Combo\uff0cCleaning Brush\uff0cBathroom Cleaning Supplies", "asin": "", "price": "$14.99", "quantity": ""},
{"title": "DEGNJU A19 LED Light Bulbs, 60 Watt Equivalent LED Bulbs, Soft White 2700K, 800 Lumens, E26 Standard Base, Non-Dimmable, 8.5W Warm White LED Bulbs for Bedroom Living Room, 3 Pack", "asin": "", "price": "$6.78", "quantity": ""},
{"title": "MR.SIGA Dustpan and Brush Set, Portable Cleaning Brush and Dustpan Combo with Bamboo Handle, White, 1 Set", "asin": "", "price": "$17.99", "quantity": ""},
{"title": "Knife Set, 15 Pcs Kitchen Knife Set with Block Self Sharpening, Dishwasher Safe, 6 Steak Knives, Anti-slip handle, Black", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "ASTOFLI Paper Towel Holder Under Cabinet No Drilling, Self Adhesive Paper Towel Holder Wall Mount for Kitchen Rack, Under Counter Napin Holder No Drill, RV, 304 Stainless Steel 12 Inch Matte Black", "asin": "", "price": "$7.99", "quantity": ""},
{"title": "TUYU Electric Spin Scrubber, Full-Body IPX7 Waterproof Bathroom Scrubber with Power LCD Display, Adjustable Extension Handle, Cordless Shower Cleaner Brush for Bathtub Kitchen Wall Cleaning", "asin": "", "price": "", "quantity": ""},
{"title": "Corelle Vitrelle 28-oz Soup/Cereal Bowls Set of 6, Chip & Crack Resistant Dinnerware Bowls for Soup, Ramen, Cereal and More, Triple Layer Glass, Winter Frost White", "asin": "", "price": "", "quantity": ""},
{"title": "JOYMOOP Mop and Bucket with Wringer Set, Hands Free Flat Floor Mop and Bucket, with 3 Washable Microfiber Pads, Wet and Dry Use, Floor Cleaning System", "asin": "", "price": "", "quantity": ""},
{"title": "DEGNJU A19 LED Light Bulbs, 60 Watt Equivalent LED Bulbs, Soft White 2700K, 800 Lumens, E26 Standard Base, Non-Dimmable, 8.5W Warm White LED Bulbs for Bedroom Living Room, 3 Pack", "asin": "", "price": "$6.78", "quantity": ""},
{"title": "Trucozie Battery Pack Attachment for Cordless Vacuum Cleaner T350 Black", "asin": "", "price": "$45.99", "quantity": ""},
{"title": "Air Fryer Paper Liners, 125Pcs Air Fryer Disposable Liners, Non-Stick and Oil Proof for Easy Cleanup, 8\u201d Square for 5-8 qt Basket by Baker's Signature", "asin": "", "price": "$12.99", "quantity": ""},
{"title": "TUYU Electric Spin Scrubber, Full-Body IPX7 Waterproof Bathroom Scrubber with Power LCD Display, Adjustable Extension Handle, Cordless Shower Cleaner Brush for Bathtub Kitchen Wall Cleaning", "asin": "", "price": "$34.99", "quantity": ""},
{"title": "JOYMOOP Mop and Bucket with Wringer Set, Hands Free Flat Floor Mop and Bucket, with 3 Washable Microfiber Pads, Wet and Dry Use, Floor Cleaning System", "asin": "", "price": "$31.95", "quantity": ""},
{"title": "Floerns Women's Deep V Neck Twisted Plunging High Slit Mini Party Dress", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "Knife Set, 15 Pcs Kitchen Knife Set with Block Self Sharpening, Dishwasher Safe, 6 Steak Knives, Anti-slip handle, Black", "asin": "", "price": "$39.99", "quantity": ""},
{"title": "Swiffer Duster Heavy Duty Dusting Kit, Cleaning Supplies, 3 ft Extended Handle, 1 Duster, 12 Refills", "asin": "", "price": "$23.05", "quantity": ""},
{"title": "Corelle Vitrelle 28-oz Soup/Cereal Bowls Set of 6, Chip & Crack Resistant Dinnerware Bowls for Soup, Ramen, Cereal and More, Triple Layer Glass, Winter Frost White", "asin": "", "price": "$38.49", "quantity": ""},
{"title": "Trucozie Cordless Vacuum Cleaner, 8-in-1 Lightweight Stick Vacuum with 45mins Runtime, Powerful Suction, Rechargeable Cordless Vacuum for Carpet, Tile, Pet Hair, Hardwood Floors, Black", "asin": "", "price": "$87.99", "quantity": ""},
{"title": "MBYULO Cordless Vacuum Cleaner, 450W 40Kpa Powerful Stick Vacuum, Up to 50Mins Rechargeable Battery, Vacuum Cleaners for Home Anti-Tangled Lightweight Handheld for Hardwood Floor, Carpets, Pet Hair", "asin": "", "price": "$139.99", "quantity": ""},
{"title": "KCLASO Cordless Vacuum Cleaner, 550W 45KPA Longlasting Vacuum Cleaners for Home, Stick Vacuum with LED Touch Screen & Rechargeable 2500 mAh Battery, Handheld Vacuum for Pet Hair/Carpet/Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 550W/45KPA Self-Standing Vacuum Cleaners for Home, Max 60Mins Anti-Tangle Stick Vacuum with Aromatherapy, Dual-Handheld Lightweight Vacuum for Pet Hair, Carpets, Hardwood", "asin": "", "price": "$149.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 40Kpa 45Mins Vacuum Cleaners for Home, 8-in-1 Lightweight Stick Vacuum with Powerful Suction, Anti-tangle Wireless Vacuum for Carpet, Tile, Pet Hair, Hardwood Floors, Black", "asin": "", "price": "$129.99", "quantity": ""},
{"title": "N8 Cordless Vacuum Cleaner, Lightweight Stick Vacuum with Powerful Suction, 2200mAh Battery, 40 Mins Runtime, Self-Standing, Rechargeable Vacuum Cleaners for Home Hardwood Floor Carpet Pet Hair (Gold)", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "CHEBIO Cordless Vacuum Cleaner, Stick Vacuum with Powerful Suction, 45Mins Runtime Vacuum Cleaners for Home, Anti-tangle and 1.5L Dust Cup, 6 in 1 Lightweight Vacuum for Hardwood Floor Carpet Pet Hair", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Vexilar V8PRO Cordless Vacuum Cleaner for Home - 25Kpa Stick Vacuum with Self Standing Design, Max 35Min Runtime, 6 in 1 Lightweight Vacuum for Hardwood Floors and Carpet Pet Hair (Champagne)", "asin": "", "price": "$79.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 40Kpa Vacuum Cleaners for Home, Max 50 Mins Runtime, Anti-Tangled Stick Vacuum, Lightweight Vacuum for Carpet, Hard Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "Cordless Vacuum Cleaner with Self-Standing, LED Screen Stick Vacuum Cleaners for Home, Lightweight Powerful Suction Vacuum, 6-in-1 Rechargeable Vacuum for Carpets, Pet Hair, Hardwood Floors", "asin": "", "price": "$88.99", "quantity": ""},
{"title": "AFNOP Cordless Vacuum Cleaner, 550W/45Kpa/65Mins Vacuum Cleaners for Home, Self-Standing Stick Vacuum with LED Display, Rechargeable Cordless Vacuum, Lightweight for Carpet, Pet Hair, Hardwood Floor", "asin": "", "price": "$99.99", "quantity": ""},
{"title": "NADALY Cordless Vacuum Cleaner, Powerful Stick Vacuum with 45min Runtime, Anti-Tangle Vacuum Cleaners for Home, 1.5L Dust Cup, Rechargeable Wireless Vacuum for Hardwood Floor Carpet Pet Hair", "asin": "", "price": "$79.98", "quantity": ""},
{"title": "Cordless Vacuum Cleaner, 550W 45KPA 60 Mins Runtime Vacuum Cleaners for Home, Stick Vacuum with Self-Standing, Wall Mount Charging and Intelligent Auto Mode, Handheld Vacuum for Pet Hair/Carpet/Floor", "asin": "", "price": "$129.99", "quantity": ""},
{"title": "NADALY Cordless Vacuum Cleaner, Stick Vacuum with 3 Powerful Suction Modes, Max 45 Mins Runtime, Anti-Tangle Vacuum Cleaner for Home, 8-in-1 Rechargeable Vacuum for Carpet, Pet Hair, Hard Floors", "asin": "", "price": "$79.98", "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": "2025-04-24T00:00:12.514Z", // 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>
