<|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": "2025-04-23T05:50:15.921Z", "action": "input", "action_argument": "mask n95"}
{"timestamp": "2025-04-23T05:50:55.823Z", "action": "input", "action_argument": "mask n95s"}
<|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.
"promotion_items": [{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "price": "$49.95", "quantity": ""},
{"title": "WSDCAM 113dB Loud Anti Theft Vibration Sensor Alarm Systems for Electric Bike Motorcycle Golf Car Trailer Mailbox Garage Door Waterproof Home Security Bike Accessories Bike Alarm with Remote", "asin": "B0C9C8SVZ7", "price": "$18.99", "quantity": ""},
{"title": "12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound", "asin": "B0CH11BP72", "price": "$32.98", "quantity": ""},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "price": "$24.69", "quantity": ""},
{"title": "Tracki Pro GPS Tracker for Vehicles, USA made tech. Up to 7 Months Batt. Waterproof Magnetic 4G LTE Long Battery Life 2-7 Month, Unlimited Distance, Subscription Required, Multi Alerts, Hidden Tracker", "asin": "B0CG2D8FZ5", "price": "$29.88", "quantity": ""},
{"title": "GPS Vehicle Tracker - DB2 Hard-Wired Tracking Device | Personal & Business Use | 24/7 Real-Time Location Monitoring for Car, Truck & Van, US & Worldwide | Low-Cost Monthly Subscription", "asin": "B0BNQN8NLT", "price": "$27.99", "quantity": ""},
{"title": "CARLOCK Wired Hidden GPS Car Tracker - 12-24v Battery, Anti Theft Car Device, 4G LTE, Instant Alerts, Easy Install, Multi-Network SIM, Real-Time Monitoring", "asin": "B0C627PTFT", "price": "$59.95", "quantity": ""},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "price": "$49.95", "quantity": ""},
{"title": "Shudyear Car Solar Power Simulated Dummy Alarm\uff0cNew Model&Brighter & Clearer\uff0cAnti-Theft LED Flashing Security Light Fake lamp with USB Charger Port\uff0c2PCS (Red & Blue)", "asin": "B0CLG8H5Q2", "price": "$9.90", "quantity": ""}],
"ads": [{"title": "Go to detail page for \"CARLOCK OBD2 Anti Theft Car Device + OBD2 Slim Splitter Cable 16 Pin Bundle - 4G Real Time Car Alarm System & GPS Tracker for Vehicles - Instant Car Security Alarm & OBD Splitter 2 Way Cable.\" Rated 5 out of 5 stars by 3 reviews. Eligible for Prime.", "asin": "B0D3HJQTBL"},
{"title": "Go to detail page for \"CARLOCK OBD2 Anti Theft Car Device + OBD2 Slim Extension Cable 16 Pin Bundle - 4G Real Time Car Alarm System & GPS Tracker for Vehicles - Instant Car Security Alarm & Relocation Extension Cable.\" Rated 5 out of 5 stars by 2 reviews. Eligible for Prime.", "asin": "B0D3FQ59KL"},
{"title": "Go to detail page for \"CARLOCK Ultimate Security Bundle 2.0: Real-Time Tracker, Alarm, Bluetooth Vibration Sensor & TAG Accessory. Total car Protection in one Powerful Package!.\" Rated 4.1 out of 5 stars by 31 reviews. Eligible for Prime.", "asin": "B0CVHFGL18"}],
"search_results": [{"title": "108dB Car Alarm System, Vehicle Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Car Device with Magnetic Install Design for Car, Truck (Upgrade 4.0)", "asin": "B0DNZB6CST", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "108dB Car Alarm System, Vehicle Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Car Device with Magnetic Install Design for Car, Truck (Upgrade 4.0)", "asin": "B0DNZB6CST", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "110dB Car Alarm System, Anti-Theft Vibration Alarm with 10 Levels Sensitivity Adjustable, Wireless Remote Anti Theft Device for Car, Truck, RV, E-Bike, Motorcycle", "asin": "B0DNZ75TNM", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Tracki Pro GPS Tracker for Vehicles, USA made tech. Up to 7 Months Batt. Waterproof Magnetic 4G LTE Long Battery Life 2-7 Month, Unlimited Distance, Subscription Required, Multi Alerts, Hidden Tracker", "asin": "B0CG2D8FZ5", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Compustar CS7900-AS All-in-One 2-Way Remote Start and Alarm Bundle w/ 3000 Feet Range", "asin": "B07HMX118W", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "110dB Car Alarm System, Anti-Theft Vibration Alarm with 10 Levels Sensitivity Adjustable, Wireless Remote Anti Theft Device for Car, Truck, RV, E-Bike, Motorcycle", "asin": "B0DNZ75TNM", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Wsdcam 113dB Bike Alarm Wireless Vibration Motion Sensor Waterproof Motorcycle Alarm with Remote", "asin": "B0734QN8KR", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "KeylessOption Keyless Entry Remote Starter Car Key Fob Alarm For Aftermarket Viper Automate EZSDEI474V 473V", "asin": "B07FDHFFFQ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound", "asin": "B0CH11BP72", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Wireless Vibration Alarm, Anti-Theft Burglar Alarm for Bicycle/Bike/Motorcycle/Car/Vehicles/Door/Window, 110db Super Loud (Remote Control Included)", "asin": "B0721SJ4PH", "delivery": " One-Day FREE delivery Tomorrow, Apr 23"},
{"title": "Car Anti-Theft Vibration Alarm, ELECTOP 108dB Automobile Vibration Sound & Light Alarm, Wireless Remote Car Alert Vehicle Security Alert System Automotive Warning Interior Safety Red Light", "asin": "B0DHCLYKH6", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "VOXX Electronics Prestige APS25Z Car Alarm System", "asin": "B07JQB45JV", "delivery": "FREE delivery Thu, Apr 24"},
{"title": "Viper 5305V 2 Way LCD Vehicle Car Alarm Keyless Entry Remorte Start System", "asin": "B016WZ5OAW", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Car Solar Power Simulated Dummy Alarm, Anti-Theft LED Flashing Security Light Fake Lamp, Automotive Warning Interior Safety Lights with USB Charger Port, Car Accessories for Most Cars (Red/1PCS)", "asin": "B0B7WTFHGK", "delivery": "FREE delivery Fri, Apr 25"},
{"title": "BANVIE Car Alarm System, Security Antitheft Alarm Systems with Keyless Entry, with Microwave Sensor & Shock Sensor", "asin": "B07LF7YBNF", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Viper 3100VX 1-Way Security System", "asin": "B017HZ1QDK", "delivery": "FREE delivery Tue, Apr 29"},
{"title": "Avital 3100LX Security System (W/O Siren)", "asin": "B00BYESXBE", "delivery": " Two-Day FREE delivery Thu, Apr 24 Only 9 left in stock - order soon."}]
<|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": "2025-04-23T05:52:01.645Z", // 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": "2025-04-23T05:50:15.921Z", "action": "input", "action_argument": "mask n95"}
{"timestamp": "2025-04-23T05:50:55.823Z", "action": "input", "action_argument": "mask n95s"}
<|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.
"promotion_items": [{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "price": "$49.95", "quantity": ""},
{"title": "WSDCAM 113dB Loud Anti Theft Vibration Sensor Alarm Systems for Electric Bike Motorcycle Golf Car Trailer Mailbox Garage Door Waterproof Home Security Bike Accessories Bike Alarm with Remote", "asin": "B0C9C8SVZ7", "price": "$18.99", "quantity": ""},
{"title": "12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound", "asin": "B0CH11BP72", "price": "$32.98", "quantity": ""},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "price": "$24.69", "quantity": ""},
{"title": "Tracki Pro GPS Tracker for Vehicles, USA made tech. Up to 7 Months Batt. Waterproof Magnetic 4G LTE Long Battery Life 2-7 Month, Unlimited Distance, Subscription Required, Multi Alerts, Hidden Tracker", "asin": "B0CG2D8FZ5", "price": "$29.88", "quantity": ""},
{"title": "GPS Vehicle Tracker - DB2 Hard-Wired Tracking Device | Personal & Business Use | 24/7 Real-Time Location Monitoring for Car, Truck & Van, US & Worldwide | Low-Cost Monthly Subscription", "asin": "B0BNQN8NLT", "price": "$27.99", "quantity": ""},
{"title": "CARLOCK Wired Hidden GPS Car Tracker - 12-24v Battery, Anti Theft Car Device, 4G LTE, Instant Alerts, Easy Install, Multi-Network SIM, Real-Time Monitoring", "asin": "B0C627PTFT", "price": "$59.95", "quantity": ""},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "price": "$49.95", "quantity": ""},
{"title": "Shudyear Car Solar Power Simulated Dummy Alarm\uff0cNew Model&Brighter & Clearer\uff0cAnti-Theft LED Flashing Security Light Fake lamp with USB Charger Port\uff0c2PCS (Red & Blue)", "asin": "B0CLG8H5Q2", "price": "$9.90", "quantity": ""}],
"ads": [{"title": "Go to detail page for \"CARLOCK OBD2 Anti Theft Car Device + OBD2 Slim Splitter Cable 16 Pin Bundle - 4G Real Time Car Alarm System & GPS Tracker for Vehicles - Instant Car Security Alarm & OBD Splitter 2 Way Cable.\" Rated 5 out of 5 stars by 3 reviews. Eligible for Prime.", "asin": "B0D3HJQTBL"},
{"title": "Go to detail page for \"CARLOCK OBD2 Anti Theft Car Device + OBD2 Slim Extension Cable 16 Pin Bundle - 4G Real Time Car Alarm System & GPS Tracker for Vehicles - Instant Car Security Alarm & Relocation Extension Cable.\" Rated 5 out of 5 stars by 2 reviews. Eligible for Prime.", "asin": "B0D3FQ59KL"},
{"title": "Go to detail page for \"CARLOCK Ultimate Security Bundle 2.0: Real-Time Tracker, Alarm, Bluetooth Vibration Sensor & TAG Accessory. Total car Protection in one Powerful Package!.\" Rated 4.1 out of 5 stars by 31 reviews. Eligible for Prime.", "asin": "B0CVHFGL18"}],
"search_results": [{"title": "108dB Car Alarm System, Vehicle Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Car Device with Magnetic Install Design for Car, Truck (Upgrade 4.0)", "asin": "B0DNZB6CST", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "108dB Car Alarm System, Vehicle Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Car Device with Magnetic Install Design for Car, Truck (Upgrade 4.0)", "asin": "B0DNZB6CST", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "110dB Car Alarm System, Anti-Theft Vibration Alarm with 10 Levels Sensitivity Adjustable, Wireless Remote Anti Theft Device for Car, Truck, RV, E-Bike, Motorcycle", "asin": "B0DNZ75TNM", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Tracki Pro GPS Tracker for Vehicles, USA made tech. Up to 7 Months Batt. Waterproof Magnetic 4G LTE Long Battery Life 2-7 Month, Unlimited Distance, Subscription Required, Multi Alerts, Hidden Tracker", "asin": "B0CG2D8FZ5", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Compustar CS7900-AS All-in-One 2-Way Remote Start and Alarm Bundle w/ 3000 Feet Range", "asin": "B07HMX118W", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "110dB Car Alarm System, Anti-Theft Vibration Alarm with 10 Levels Sensitivity Adjustable, Wireless Remote Anti Theft Device for Car, Truck, RV, E-Bike, Motorcycle", "asin": "B0DNZ75TNM", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Wsdcam 113dB Bike Alarm Wireless Vibration Motion Sensor Waterproof Motorcycle Alarm with Remote", "asin": "B0734QN8KR", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "KeylessOption Keyless Entry Remote Starter Car Key Fob Alarm For Aftermarket Viper Automate EZSDEI474V 473V", "asin": "B07FDHFFFQ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound", "asin": "B0CH11BP72", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Wireless Vibration Alarm, Anti-Theft Burglar Alarm for Bicycle/Bike/Motorcycle/Car/Vehicles/Door/Window, 110db Super Loud (Remote Control Included)", "asin": "B0721SJ4PH", "delivery": " One-Day FREE delivery Tomorrow, Apr 23"},
{"title": "Car Anti-Theft Vibration Alarm, ELECTOP 108dB Automobile Vibration Sound & Light Alarm, Wireless Remote Car Alert Vehicle Security Alert System Automotive Warning Interior Safety Red Light", "asin": "B0DHCLYKH6", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "VOXX Electronics Prestige APS25Z Car Alarm System", "asin": "B07JQB45JV", "delivery": "FREE delivery Thu, Apr 24"},
{"title": "Viper 5305V 2 Way LCD Vehicle Car Alarm Keyless Entry Remorte Start System", "asin": "B016WZ5OAW", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Car Solar Power Simulated Dummy Alarm, Anti-Theft LED Flashing Security Light Fake Lamp, Automotive Warning Interior Safety Lights with USB Charger Port, Car Accessories for Most Cars (Red/1PCS)", "asin": "B0B7WTFHGK", "delivery": "FREE delivery Fri, Apr 25"},
{"title": "BANVIE Car Alarm System, Security Antitheft Alarm Systems with Keyless Entry, with Microwave Sensor & Shock Sensor", "asin": "B07LF7YBNF", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Viper 3100VX 1-Way Security System", "asin": "B017HZ1QDK", "delivery": "FREE delivery Tue, Apr 29"},
{"title": "Avital 3100LX Security System (W/O Siren)", "asin": "B00BYESXBE", "delivery": " Two-Day FREE delivery Thu, Apr 24 Only 9 left in stock - order soon."}]
<|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": "2025-04-23T05:52:01.645Z", // 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": "2025-04-23T05:50:15.921Z", "action": "input", "action_argument": "mask n95"}
{"timestamp": "2025-04-23T05:50:55.823Z", "action": "input", "action_argument": "mask n95s"}
<|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.
"promotion_items": [{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "price": "$49.95", "quantity": ""},
{"title": "WSDCAM 113dB Loud Anti Theft Vibration Sensor Alarm Systems for Electric Bike Motorcycle Golf Car Trailer Mailbox Garage Door Waterproof Home Security Bike Accessories Bike Alarm with Remote", "asin": "B0C9C8SVZ7", "price": "$18.99", "quantity": ""},
{"title": "12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound", "asin": "B0CH11BP72", "price": "$32.98", "quantity": ""},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "price": "$24.69", "quantity": ""},
{"title": "Tracki Pro GPS Tracker for Vehicles, USA made tech. Up to 7 Months Batt. Waterproof Magnetic 4G LTE Long Battery Life 2-7 Month, Unlimited Distance, Subscription Required, Multi Alerts, Hidden Tracker", "asin": "B0CG2D8FZ5", "price": "$29.88", "quantity": ""},
{"title": "GPS Vehicle Tracker - DB2 Hard-Wired Tracking Device | Personal & Business Use | 24/7 Real-Time Location Monitoring for Car, Truck & Van, US & Worldwide | Low-Cost Monthly Subscription", "asin": "B0BNQN8NLT", "price": "$27.99", "quantity": ""},
{"title": "CARLOCK Wired Hidden GPS Car Tracker - 12-24v Battery, Anti Theft Car Device, 4G LTE, Instant Alerts, Easy Install, Multi-Network SIM, Real-Time Monitoring", "asin": "B0C627PTFT", "price": "$59.95", "quantity": ""},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "price": "$49.95", "quantity": ""},
{"title": "Shudyear Car Solar Power Simulated Dummy Alarm\uff0cNew Model&Brighter & Clearer\uff0cAnti-Theft LED Flashing Security Light Fake lamp with USB Charger Port\uff0c2PCS (Red & Blue)", "asin": "B0CLG8H5Q2", "price": "$9.90", "quantity": ""}],
"ads": [{"title": "Go to detail page for \"CARLOCK OBD2 Anti Theft Car Device + OBD2 Slim Splitter Cable 16 Pin Bundle - 4G Real Time Car Alarm System & GPS Tracker for Vehicles - Instant Car Security Alarm & OBD Splitter 2 Way Cable.\" Rated 5 out of 5 stars by 3 reviews. Eligible for Prime.", "asin": "B0D3HJQTBL"},
{"title": "Go to detail page for \"CARLOCK OBD2 Anti Theft Car Device + OBD2 Slim Extension Cable 16 Pin Bundle - 4G Real Time Car Alarm System & GPS Tracker for Vehicles - Instant Car Security Alarm & Relocation Extension Cable.\" Rated 5 out of 5 stars by 2 reviews. Eligible for Prime.", "asin": "B0D3FQ59KL"},
{"title": "Go to detail page for \"CARLOCK Ultimate Security Bundle 2.0: Real-Time Tracker, Alarm, Bluetooth Vibration Sensor & TAG Accessory. Total car Protection in one Powerful Package!.\" Rated 4.1 out of 5 stars by 31 reviews. Eligible for Prime.", "asin": "B0CVHFGL18"}],
"search_results": [{"title": "108dB Car Alarm System, Vehicle Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Car Device with Magnetic Install Design for Car, Truck (Upgrade 4.0)", "asin": "B0DNZB6CST", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "108dB Car Alarm System, Vehicle Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Car Device with Magnetic Install Design for Car, Truck (Upgrade 4.0)", "asin": "B0DNZB6CST", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "110dB Car Alarm System, Anti-Theft Vibration Alarm with 10 Levels Sensitivity Adjustable, Wireless Remote Anti Theft Device for Car, Truck, RV, E-Bike, Motorcycle", "asin": "B0DNZ75TNM", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Tracki Pro GPS Tracker for Vehicles, USA made tech. Up to 7 Months Batt. Waterproof Magnetic 4G LTE Long Battery Life 2-7 Month, Unlimited Distance, Subscription Required, Multi Alerts, Hidden Tracker", "asin": "B0CG2D8FZ5", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Compustar CS7900-AS All-in-One 2-Way Remote Start and Alarm Bundle w/ 3000 Feet Range", "asin": "B07HMX118W", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor", "asin": "B07H9TGTMZ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "110dB Car Alarm System, Anti-Theft Vibration Alarm with 10 Levels Sensitivity Adjustable, Wireless Remote Anti Theft Device for Car, Truck, RV, E-Bike, Motorcycle", "asin": "B0DNZ75TNM", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Wsdcam 113dB Bike Alarm Wireless Vibration Motion Sensor Waterproof Motorcycle Alarm with Remote", "asin": "B0734QN8KR", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "CARLOCK Anti Theft Car Device - Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play", "asin": "B00U0K3Q10", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "KeylessOption Keyless Entry Remote Starter Car Key Fob Alarm For Aftermarket Viper Automate EZSDEI474V 473V", "asin": "B07FDHFFFQ", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "12V Car Alarm System, Anti-Theft Horn Siren with 7-Levels Sensitivity Universal Security Protection System Vehicle Alarm System with Sound", "asin": "B0CH11BP72", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Wireless Vibration Alarm, Anti-Theft Burglar Alarm for Bicycle/Bike/Motorcycle/Car/Vehicles/Door/Window, 110db Super Loud (Remote Control Included)", "asin": "B0721SJ4PH", "delivery": " One-Day FREE delivery Tomorrow, Apr 23"},
{"title": "Car Anti-Theft Vibration Alarm, ELECTOP 108dB Automobile Vibration Sound & Light Alarm, Wireless Remote Car Alert Vehicle Security Alert System Automotive Warning Interior Safety Red Light", "asin": "B0DHCLYKH6", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "VOXX Electronics Prestige APS25Z Car Alarm System", "asin": "B07JQB45JV", "delivery": "FREE delivery Thu, Apr 24"},
{"title": "Viper 5305V 2 Way LCD Vehicle Car Alarm Keyless Entry Remorte Start System", "asin": "B016WZ5OAW", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Car Solar Power Simulated Dummy Alarm, Anti-Theft LED Flashing Security Light Fake Lamp, Automotive Warning Interior Safety Lights with USB Charger Port, Car Accessories for Most Cars (Red/1PCS)", "asin": "B0B7WTFHGK", "delivery": "FREE delivery Fri, Apr 25"},
{"title": "BANVIE Car Alarm System, Security Antitheft Alarm Systems with Keyless Entry, with Microwave Sensor & Shock Sensor", "asin": "B07LF7YBNF", "delivery": " Two-Day FREE delivery Thu, Apr 24"},
{"title": "Viper 3100VX 1-Way Security System", "asin": "B017HZ1QDK", "delivery": "FREE delivery Tue, Apr 29"},
{"title": "Avital 3100LX Security System (W/O Siren)", "asin": "B00BYESXBE", "delivery": " Two-Day FREE delivery Thu, Apr 24 Only 9 left in stock - order soon."}]
<|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": "2025-04-23T05:52:01.645Z", // 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>
