
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: Add cheapest vitamin C and D to cart.
PREVIOUS ACTION: ["click [262] where [262] is 'Shop'"]
CURRENT OBSERVATION:	[4886] image 'CVS home page'
	[4888] button 'Prescriptions'
	[4890] button 'Health'
	[4891] button 'Shop'
	[5122] button 'loadBaby & ChildMenu'
	[5132] button 'loadBeautyMenu'
	[5142] button 'loadDiet & NutritionMenu'
	[5152] button 'loadGroceryMenu'
	[5162] button 'loadHealth & MedicineMenu'
	[5172] button 'loadHome Health CareMenu'
	[4923] button 'loadHouseholdMenu'
	[5191] button 'loadPersonal CareMenu'
	[5201] button 'loadSexual HealthMenu'
	[4922] button 'loadVitaminsMenu'
	[5220] button 'loadContacts & Prescription GlassesMenu'
	[4920] image 'new window'
	[5252] button 'Close'
	[4892] button 'Savings & Memberships'
		[5280] combobox 'Search products and services' hasPopup: listbox required: False
	[5320] button 'Store'
	[5433] button 'Menu'
	[5441] image 'CVS home page'
	[5449] button 'Store'
	[5511] button 'loadPrescriptionsMenu'
	[5530] button 'loadHealthMenu'
	[5549] button 'loadShopMenu'
	[5568] button 'loadSavings & MembershipsMenu'
		[5674] combobox 'Search products and services' hasPopup: listbox required: False
		[5768] heading "CVS celebrates Women's History Month"
		[4843] image 'A group of five smiling women in various poses look at or away from the camera.'
		[5802] heading 'Shop health & wellness essentials'
		[6048] heading 'Get more from CVS Pharmacy'
		[6063] heading 'extracare'
		[6097] heading 'Fill prescriptions your way'
		[6108] heading 'Manage your prescriptions'
		[6124] heading 'Get started online'
		[6143] heading 'Learn about COVID-19 treatment'
		[6240] heading 'Trending at CVS'
		[6322] heading 'Get the care you may need from MinuteClinic'
		[6434] heading "Don't miss out on these deals"
		[6557] heading 'Featured categories'
		[6669] image 'carepass logo'
		[6671] heading "Don't leave $100s in possible savings on the table"
		[6688] image 'A mother and her young daughter pick up a CVS delivery box from their porch.'
		[6697] heading 'Our commitments to you'
		[6706] image 'Here, healthier happens together.'
		[6725] image 'Our Beauty Unaltered Beauty Mark appears on photos of models that have not been thinned, smoothed or digitally altered.'
		[6744] image 'Tested to be Trusted is our commitment to have our vitamins and supplements tested to ensure they meet our high standards.'
		[6803] heading 'Pharmacy'
		[6833] heading 'Store Locator'
		[6860] heading 'Account Information'
		[6872] heading 'Shop'
		[6890] heading 'ExtraCare'
		[6899] heading 'Help'
		[6935] heading 'CVSHealth Companies'
		[6953] heading 'Corporate Information'
		[6989] heading 'Follow us on:'
		[6993] image 'Facebook'
		[6995] image 'Twitter'
		[6997] image 'YouTube'
		[7028] image 'NABP logo'
	[7040] button 'Feedback'
CURRENT ACTION: click [4922] where [4922] is 'loadVitaminsMenu'
NEXT STATE PREIDCTION: 	[9525] image 'CVS home page'
	[9527] button 'Prescriptions'
	[9529] button 'Health'
	[9530] button 'Shop'
	[9555] button 'Back to Shop'
	[9751] heading 'Vitamins'
	[9762] button 'loadAromatherapyMenu'
	[9778] button 'loadHealth GoalsMenu'
	[9788] button 'loadHerbalsMenu'
	[9798] button 'loadMineralsMenu'
	[9558] button 'loadMultivitaminsMenu'
	[9817] button 'loadSupplementsMenu'
	[9557] button 'loadVitamins A-ZMenu'
	[9835] button 'Close'
	[9531] button 'Savings & Memberships'
		[9862] combobox 'Search products and services' hasPopup: listbox required: False
	[9902] button 'Store'
	[10015] button 'Menu'
	[10023] image 'CVS home page'
	[10031] button 'Store'
	[10062] button 'Back to Shop'
	[10084] button 'loadAromatherapyMenu'
	[10114] button 'loadHealth GoalsMenu'
	[10133] button 'loadHerbalsMenu'
	[10150] button 'loadMineralsMenu'
	[10161] button 'loadMultivitaminsMenu'
	[10172] button 'loadSupplementsMenu'
	[10183] button 'loadVitamins A-ZMenu'
		[10210] combobox 'Search products and services' hasPopup: listbox required: False
		[10304] heading "CVS celebrates Women's History Month"
		[9482] image 'A group of five smiling women in various poses look at or away from the camera.'
		[10338] heading 'Shop health & wellness essentials'
		[10584] heading 'Get more from CVS Pharmacy'
		[10599] heading 'extracare'
		[10633] heading 'Fill prescriptions your way'
		[10644] heading 'Manage your prescriptions'
		[10660] heading 'Get started online'
		[10679] heading 'Learn about COVID-19 treatment'
		[10776] heading 'Trending at CVS'
		[10858] heading 'Get the care you may need from MinuteClinic'
		[10970] heading "Don't miss out on these deals"
		[11093] heading 'Featured categories'
		[11205] image 'carepass logo'
		[11207] heading "Don't leave $100s in possible savings on the table"
		[11224] image 'A mother and her young daughter pick up a CVS delivery box from their porch.'
		[11233] heading 'Our commitments to you'
		[11242] image 'Here, healthier happens together.'
		[11261] image 'Our Beauty Unaltered Beauty Mark appears on photos of models that have not been thinned, smoothed or digitally altered.'
		[11280] image 'Tested to be Trusted is our commitment to have our vitamins and supplements tested to ensure they meet our high standards.'
		[11339] heading 'Pharmacy'
		[11369] heading 'Store Locator'
		[11396] heading 'Account Information'
		[11408] heading 'Shop'
		[11426] heading 'ExtraCare'
		[11435] heading 'Help'
		[11471] heading 'CVSHealth Companies'
		[11489] heading 'Corporate Information'
		[11525] heading 'Follow us on:'
		[11529] image 'Facebook'
		[11531] image 'Twitter'
		[11533] image 'YouTube'
		[11564] image 'NABP logo'
	[11576] button 'Feedback'
[Rationale] In this scenario, the user aims to add the cheapest vitamin C and D supplements to their cart. The previous action successfully clicked on the 'Shop' button, which is a step in the right direction towards finding vitamins. The current observation shows that the agent is on the CVS home page and has several navigation options available, including a button labeled 'VitaminsMenu'. The agent subsequently clicks on this button to load the vitamins section.

However, the next state prediction indicates that while the agent has moved to the 'Vitamins' section, it does not provide immediate access to the specific products (vitamin C and D) or their prices. Instead, it opens a broader category page without direct filtering for the cheapest items or specific categories. Therefore, this next state does not significantly contribute to the completion of the task, as it keeps the agent in a general vitamins section rather than helping them find the specific products they need.

Given that the current action does not lead the user closer to finding and adding the cheapest vitamin C and D to the cart, the score of 0.14 indicates a minimal positive movement towards the goal, but overall, it is largely ineffective. The agent should consider searching for 'Vitamin C' and 'Vitamin D' directly in the search box or using filtering options to find the cheapest products more efficiently. [Score] 0.14