
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: Buy a GoBites Uno Spork in the color magenta and have it delivered to a store in Seattle, WA. Checkout with default address, and use credit number 123456789, CVV 123, expire 01, 2024
PREVIOUS ACTION: ["type [86] [gobites uno spork] where [86] is 'search input field'", "click [26574] where [26574] is 'search input field'", "click [39906] where [39906] is 'humangear GoBites Uno Spork 0'", "click [54967] where [54967] is 'Color: Magenta'", "click [1] where [1] is '' focused: True url: about:blank", "click [126953] where [126953] is 'Change store'", "type [162960] [Seattle, WA] where [162960] is ''", "click [199716] where [199716] is ''", "click [236111] where [236111] is 'Add to cart'", "click [22014] where [22014] is 'Cart & Checkout '", "click [14045] where [14045] is 'Proceed to checkout'"]
CURRENT OBSERVATION:	[303052] image 'Return to the REI.com homepage'
		[303229] heading 'REI Co-op Membership'
		[303241] heading 'Already a part of the co-op?'
		[303250] button 'Co-op Member Reward'
		[303269] button 'Forgot member number?'
		[303273] textbox '' required: False
		[303286] button 'Attach my membership'
		[303050] image 'REI Membership'
		[303298] heading 'Its not too late to join the co-op!'
		[303323] generic 'Add Membership'
			[303324] button 'Add lifetime membership to cart'
		[303328] button 'Continue without membership'
		[303344] heading 'Order summary'
				[303362] button 'Tax information'
		[303387] button 'Give us feedback'
		[303480] button '1-800-426-4840'
		[303506] button 'Your Privacy Choices'
	[303054] dialog '' modal: False
			[303556] heading 'Confirm your billing address'
			[303592] radio '' checked: false
			[303616] radio '' checked: false
	[303627] alert '' live: assertive atomic: True relevant: additions text
	[303639] button ' Live chat '
		[303640] image ' Live chat '
CURRENT ACTION: click [303047] where [303047] is 'Continue with this address'
NEXT STATE PREIDCTION: 	[304457] image 'Return to the REI.com homepage'
		[304635] heading 'REI Co-op Membership'
		[304646] heading 'Already a part of the co-op?'
		[304655] button 'Co-op Member Reward'
		[304674] button 'Forgot member number?'
		[304678] textbox '' required: False
		[304691] button 'Attach my membership'
		[304703] heading 'Its not too late to join the co-op!'
		[304728] generic 'Add Membership'
			[304729] button 'Add lifetime membership to cart'
		[304459] button 'Continue without membership'
		[304748] heading 'Order summary'
				[304766] button 'Tax information'
		[304791] button 'Give us feedback'
		[304884] button '1-800-426-4840'
		[304910] button 'Your Privacy Choices'
	[304954] alert '' live: assertive atomic: True relevant: additions text
	[304966] button ' Live chat '
		[304967] image ' Live chat '
[Rationale] The next state reflects the agent's progress in the checkout process for purchasing the GoBites Uno Spork. By clicking "Continue with this address," the agent is confirming the billing address, which is a necessary step to proceed with the order. This action is crucial as it sets the stage for the agent to enter payment information next, which is required for completing the transaction. Although the state does not show the actual entry of payment details yet, it does indicate movement towards the goal of completing the purchase and having the item shipped to the selected store in Seattle, WA. The presence of the order summary and the option to continue without membership suggests that the checkout process is being correctly navigated. However, there is still a step remaining to finalize the payment, hence the score of 0.63 indicates that while the agent is on the right track and advancing towards the goal, the task is not yet fully completed. [Score] 0.63