
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: Reserve a taxi from O'hare Airport to 123 Main St, West Chicago, IL on Mar 29, 2023 at 12 noon for 2 adults.
PREVIOUS ACTION: ["click [365] where [365] is 'Airport taxis'", "type [5828] [O'hare Airport] where [5828] is 'Enter pick-up location' required: False", 'click [11423] where [11423] is "Chicago O\'Hare International Airport Chicago, United States"', "type [15149] [123 Main St, West Chicago, IL] where [15149] is 'Enter destination' required: False", "click [20750] where [20750] is '123 Main St West Chicago, United States'", "click [25397] where [25397] is '30/03/2023'", "click [29198] where [29198] is '29'", "click [34944] where [34944] is '12:00'", "click [39764] where [39764] is 'Confirm'", "click [43403] where [43403] is '' hasPopup: menu expanded: False", "click [49068] where [49068] is 'Search'"]
CURRENT OBSERVATION:		[52950] status '' live: polite atomic: True relevant: additions text
	[52987] button 'Trusted, secure and convenient Every month, over 217,000 people ride with us. Explore Booking.com Taxi'
		[53004] heading 'Trusted, secure and convenient'
	[53012] heading 'Accessibility Links'
	[53022] heading 'Choose your taxi'
	[53024] textbox '' required: False
	[53025] textbox '' required: False
	[52685] button 'Choose a standard-size taxi costing US$126.84'
		[53034] heading 'Standard'
		[53078] button 'Close tooltip'
	[53103] button 'Choose a people carrier costing US$154.94'
		[53108] heading 'People carrier'
		[53152] button 'Close tooltip'
	[53175] button 'Choose an executive taxi costing US$157.60'
		[53180] heading 'Executive'
		[53224] button 'Close tooltip'
	[53247] button 'Choose a large people carrier costing US$261.23'
		[53252] heading 'Large people carrier'
		[53296] button 'Close tooltip'
	[53319] button 'Choose an executive people carrier costing US$273.53'
		[53324] heading 'Executive people carrier'
		[53368] button 'Close tooltip'
	[53391] button 'Choose a luxury taxi costing US$355.49'
		[53396] heading 'Luxury'
		[53440] button 'Close tooltip'
	[53463] button 'Choose a minibus costing US$489.56'
		[53468] heading 'Minibus'
		[53512] button 'Close tooltip'
	[53570] button 'Add your return'
	[52677] image 'Protecting you during COVID-19'
	[53600] heading 'Passenger details'
		[53619] combobox 'Title*' hasPopup: menu expanded: False
			[53620] option 'Mr' selected: True
			[53622] option 'Mrs' selected: False
			[53624] option 'Miss' selected: False
			[53626] option 'Ms' selected: False
			[53628] option 'Dr' selected: False
			[53630] option 'Prof' selected: False
		[53639] textbox 'First name*' required: False
		[53647] textbox 'Last name*' required: False
		[53655] textbox 'Email address*' required: False
		[53665] button 'Mobile number* +44'
		[53670] textbox '+44 XXXX XXX XXX' required: False
	[53675] heading 'Add flight details'
	[53695] textbox 'Where are you flying from?' required: False
	[53716] button 'Close tooltip'
		[53728] heading 'Or, enter flight number manually'
			[53745] textbox '' required: False
			[53748] button 'Add'
	[53756] heading 'Add a note for the driver'
	[53760] textbox "Things like 'I need a child seat', Please hold a sign that says...'" required: False
CURRENT ACTION: click [52685] where [52685] is 'Choose a standard-size taxi costing US$126.84'
NEXT STATE PREIDCTION: 		[55723] status '' live: polite atomic: True relevant: additions text
	[55760] button 'Trusted, secure and convenient Every month, over 217,000 people ride with us. Explore Booking.com Taxi'
		[55777] heading 'Trusted, secure and convenient'
	[55785] heading 'Accessibility Links'
	[55795] heading 'Choose your taxi'
	[55797] textbox '' required: False
	[55798] textbox '' required: False
	[55803] button 'Choose a standard-size taxi costing US$126.84'
		[55808] heading 'Standard'
		[55852] button 'Close tooltip'
	[55877] button 'Choose a people carrier costing US$154.94'
		[55882] heading 'People carrier'
		[55926] button 'Close tooltip'
	[55949] button 'Choose an executive taxi costing US$157.60'
		[55954] heading 'Executive'
		[55998] button 'Close tooltip'
	[56021] button 'Choose a large people carrier costing US$261.23'
		[56026] heading 'Large people carrier'
		[56070] button 'Close tooltip'
	[56093] button 'Choose an executive people carrier costing US$273.53'
		[56098] heading 'Executive people carrier'
		[56142] button 'Close tooltip'
	[56165] button 'Choose a luxury taxi costing US$355.49'
		[56170] heading 'Luxury'
		[56214] button 'Close tooltip'
	[56237] button 'Choose a minibus costing US$489.56'
		[56242] heading 'Minibus'
		[56286] button 'Close tooltip'
	[56347] button 'Add your return'
	[55458] image 'Protecting you during COVID-19'
	[56378] heading 'Passenger details'
		[55450] combobox 'Title*' hasPopup: menu expanded: False
			[56397] option 'Mr' selected: True
			[56399] option 'Mrs' selected: False
			[56401] option 'Miss' selected: False
			[56403] option 'Ms' selected: False
			[56405] option 'Dr' selected: False
			[56407] option 'Prof' selected: False
		[56416] textbox 'First name*' required: False
		[56424] textbox 'Last name*' required: False
		[56432] textbox 'Email address*' required: False
		[55454] button 'Mobile number* +44'
		[56445] textbox '+44 XXXX XXX XXX' required: False
	[56450] heading 'Add flight details'
	[56470] textbox 'Where are you flying from?' required: False
	[56491] button 'Close tooltip'
		[56503] heading 'Or, enter flight number manually'
			[56520] textbox '' required: False
			[56523] button 'Add'
	[56531] heading 'Add a note for the driver'
	[56535] textbox "Things like 'I need a child seat', Please hold a sign that says...'" required: False
[Rationale] The next state after the action of clicking "Choose a standard-size taxi costing US$126.84" reflects significant progress towards the user’s goal of reserving a taxi. The next state maintains the context of the taxi booking process, confirming the selection of the standard-size taxi. This step is crucial because it indicates that the user has successfully chosen the type of taxi they wish to reserve, which is an essential component of the overall reservation process. 

Moreover, the next state still displays the required passenger details and options for adding flight information or notes for the driver, ensuring that the user can proceed with filling out necessary information to complete the booking. The presence of these options suggests that the user is on the right track and only a few more actions are needed to finalize the reservation. 

Given the high relevance of this state to the task, it is evaluated positively, close to optimal completion. The user is actively engaged in the booking process, confirming that this state is indeed a strong step toward achieving the task's goal. 

[Score] 0.92