
You are an expert in evaluating and guiding a web navigation agent. Your task is to help the agent effectively complete a given mission on a website based on the user’s intent. The agent’s goal is to navigate through the website to reach the desired state that aligns with the user’s objective.

You will analyze the next state of the webpage (OBSERVATION) after each action and determine whether the agent is successfully progressing towards the task goal. You will also assist the agent by choosing the next action if necessary, considering the dynamics of the web environment and how each state transitions.

Key Points:
1. Understand the intent:
- Identify the user’s goal (e.g., finding information, navigating to a specific page, modifying content).
- Make sure the next state of the webpage aligns with achieving that goal based on the current state and user’s intent.

2. Evaluate the Next State:
- When assessing the next state, consider how it contributes to reaching the intended goal. If the next state moves the agent closer to the user’s goal, it is evaluated positively.
- If the next state does not progress towards the goal or leads to an error, suggest alternative actions that will result in a more favorable next state.

3. State Guidance:
- If the next state shows that the agent is on the right track but hasn’t completed the task yet, recommend further actions that could bring the next state closer to the goal. Focus on guiding the agent to reach a state that reflects clear progress towards the goal.

4. Types of Tasks:
- Information Seeking: The next state must provide the specific information the user seeks (e.g., product price, reviews). If the information is unavailable, the next state should explicitly indicate that.
- Site Navigation: The next state must reflect that the agent has navigated to the exact page or item. Check if the state includes content based on the user’s intent.
- Content Modification: The next state should indicate that the requested content modification has been successfully committed (e.g., form submission, comment posting).
- General Task: Evaluate the entire process to ensure the next state reflects task completion. Stop actions should only be issued when the objective is met.

5. Common Pitfalls:
- Repetitive typing actions: Ensure that the next state does not show corrupted input due to repeated typing.
- Incomplete navigation: Ensure the agent’s next state reflects navigation to the specific item or content, not just to a general page or category.

Output Format with a Score Between 0 and 1:
Each next state will be evaluated with a score between 0 and 1, assessing how well the state moves towards the task’s completion. This score provides nuanced feedback on the state’s effectiveness.
0: The next state is a failure or leads away from the task.
Values closer to 0 (e.g., 0.1, 0.2): The next state does not contribute meaningfully but isn’t a total failure.
0.5: The next state is neutral, and the agent is maintaining its current position.
Values closer to 1 (e.g., 0.7, 0.8): The next state is helpful and moves the agent closer to the task goal.
1: The next state is optimal and is directly aligned with completing the task.

Response Format:
1. You should write your rationale providing a detailed analysis of the next state and reasoning for its score, providing a score between 0 and 1 based on how well the next state contributes to task completion.

Output Format: [Rationale] <your thought> [Score] <a value between 0 and 1>

OBJECTIVE: Show me a map with charging stations in London.
PREVIOUS ACTION: ["click [3639] where [3639] is 'Menu'", 'click [12288] where [12288] is Charging']
CURRENT OBSERVATION:	[16734] heading 'Tesla homepageSkip to main content'
	[16781] button 'Menu'
		[16822] image 'Close up view of a Supercharger plugged into a Tesla charge port'
		[16827] heading 'Stay Charged'
		[16851] heading '40,000 +'
		[16865] heading '40,000 +'
		[16900] heading 'Supercharger:Freedom to Travel'
		[13310] image '4 Tesla cars charging at Supercharger stations atop a mountain'
		[13311] image 'White Model S in a carport charging via Gen 3 Wall Connector'
		[17138] heading 'Wall Connector:Home Charging'
		[17188] heading 'Destination Charging:Power at Your Destination'
		[13312] image 'White Model 3 pulling up to a hotel to charge via Wall Connector'
		[13313] image 'Red Model 3 charging in a parking lot'
		[17425] heading 'Commercial Charging:For Any Property'
		[17490] heading 'Footer menu'
CURRENT ACTION: click [624] where [624] is 'Find Us'
NEXT STATE PREIDCTION: 	[18146] heading 'Tesla homepageSkip to main content'
	[18193] button 'Menu'
	[18215] button 'Keyboard shortcuts'
	[18463] button 'Toggle fullscreen view'
	[18473] button 'Zoom in'
	[18478] button 'Zoom out'
	[18487] button 'Rotate map clockwise'
	[18492] button 'Rotate map counterclockwise'
	[18497] button 'Tilt map'
	[18511] button 'Keyboard shortcuts'
	[18519] button 'Map Data'
	[18526] button '500 km Click to toggle between metric and imperial units'
	[18560] button 'Stores and Galleries'
	[18564] button 'Service'
	[18568] button 'Body Shops'
	[18572] button 'Superchargers'
	[18576] button 'Superchargers Open to Non-Tesla'
	[18580] button 'Destination Charging'
	[18585] button 'Enter location'
	[18597] image 'overlay desktop'
	[18598] heading 'Tesla Service'
	[18636] button 'Yes'
		[18653] textbox '' required: False
		[18663] textbox '' required: False
		[18673] textbox '' required: False
		[18683] textbox '' required: False
		[18693] textbox '' required: False
		[18703] combobox '' hasPopup: menu expanded: False
			[18704] option 'Yes' selected: True
			[18706] option 'No' selected: False
	[18711] button 'start chat'
	[18715] heading 'How can we help?'
	[18720] button 'Buying Tesla Products'
	[18722] button 'Questions About Delivery'
		[18756] textbox 'Type message' required: False
[Rationale] The current action of clicking 'Find Us' is a logical progression towards the objective of showing a map with charging stations in London. The next state after this action indicates that the agent has navigated to a section that is likely to display a map, as it includes various buttons and headings related to stores, service, and superchargers, which typically would encompass the location of charging stations. 

However, while the next state indicates that the agent is in the right area of the website for finding charging stations, it does not yet explicitly confirm that the map with charging stations is displayed. Therefore, while the next state is a positive step and maintains momentum toward the goal, it does not fully achieve the objective of displaying the map. This warrants a score of 0.6, as this state is helpful and moves the agent closer to the task goal, but it does not provide complete assurance of having met the objective yet. 

In summary, the agent is making progress by getting to a relevant section, but it hasn't yet reached the final goal of viewing the map with charging stations. [Score] 0.6