
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: Find a cheapest standard train ticket from London to Sheffield on March, 29, arriving by 10:45 am for 2 adults.
PREVIOUS ACTION: []
CURRENT OBSERVATION:		[120] image 'Trainline logo'
		[277] button 'Change language or currency'
			[122] image 'Change language or currency'
		[288] button 'Basket Cart'
			[289] image 'Basket'
		[125] StaticText 'My Bookings'
		[294] button 'Register'
		[297] button ' header.burgerMenu.title '
			[298] image ' header.burgerMenu.title '
		[311] menu '' orientation: vertical
			[313] menuitem 'Train and coach tickets'
			[316] menuitem 'Railcards'
			[319] menuitem 'Business'
			[322] menuitem 'Get our app'
			[325] menuitem 'Help'
		[328] menubar '' orientation: horizontal
			[330] menuitem 'UK trains'
			[334] menu '' orientation: vertical
				[336] menuitem 'UK train times'
				[339] menuitem 'Cheap train tickets'
				[342] menuitem 'Live train times'
				[345] menuitem 'Journey Planner'
				[348] menuitem 'Season Tickets'
				[351] menuitem 'Advance Ticket Alert'
				[354] menuitem 'Group train tickets'
				[357] menuitem 'Split tickets'
				[360] menuitem 'Flexi Season Tickets'
			[363] menuitem 'European trains'
			[367] menu '' orientation: vertical
				[369] menuitem 'Trains in Europe'
				[372] menuitem 'Cheap European train tickets'
				[375] menuitem 'Italy train tickets'
				[378] menuitem 'Spain train tickets'
				[381] menuitem 'Germany train tickets'
				[384] menuitem 'France train tickets'
				[387] menuitem 'Belgium train tickets'
			[390] menuitem 'Train companies'
			[394] menu '' orientation: vertical
				[396] menuitem 'UK train companies'
				[399] menuitem 'Eurostar tickets'
				[402] menuitem 'Trenitalia tickets'
				[405] menuitem 'Deutsche Bahn tickets'
				[408] menuitem 'SNCF tickets'
				[411] menuitem 'Renfe tickets'
				[414] menuitem 'OBB tickets'
				[417] menuitem 'Frecciarossa trains'
			[420] menuitem 'Popular journeys'
			[424] menu '' orientation: vertical
				[426] menuitem 'London to Paris train'
				[429] menuitem 'Paris to Amsterdam train'
				[432] menuitem 'Paris to London train'
				[435] menuitem 'Barcelona to Madrid train'
				[438] menuitem 'Amsterdam to Paris train'
				[441] menuitem 'Brussels to Bruges train'
				[444] menuitem 'Paris to Brussels train'
				[447] menuitem 'Travel inspiration'
		[449] button 'Sign in'
		[645] StaticText 'From'
		[144] combobox 'From' hasPopup: listbox required: False
		[671] StaticText 'To'
		[483] combobox 'To' hasPopup: listbox required: False
		[487] checkbox 'Via' checked: false
		[504] textbox '' required: False
			[506] radiogroup '' required: False
				[742] StaticText 'Journey type'
				[512] radio 'One Way' checked: false
				[519] radio 'Return' checked: false
		[525] group 'Out'
			[530] button 'Today'
			[533] button 'Tomorrow'
			[541] textbox '' required: False
			[829] StaticText 'Leaving at'
			[547] listbox '' multiselectable: False orientation: vertical required: False
				[548] option '00' selected: True
				[550] option '01' selected: False
				[552] option '02' selected: False
				[554] option '03' selected: False
				[556] option '04' selected: False
				[558] option '05' selected: False
				[560] option '06' selected: False
				[562] option '07' selected: False
				[564] option '08' selected: False
				[566] option '09' selected: False
				[568] option '10' selected: False
				[570] option '11' selected: False
				[572] option '12' selected: False
				[574] option '13' selected: False
				[576] option '14' selected: False
				[578] option '15' selected: False
				[580] option '16' selected: False
				[582] option '17' selected: False
				[584] option '18' selected: False
				[586] option '19' selected: False
				[588] option '20' selected: False
				[590] option '21' selected: False
				[592] option '22' selected: False
				[594] option '23' selected: False
			[599] listbox '' multiselectable: False orientation: vertical required: False
				[600] option '00' selected: True
				[602] option '15' selected: False
				[604] option '30' selected: False
				[606] option '45' selected: False
		[610] group 'Return'
			[615] button 'Same day'
			[618] button 'Next day'
			[626] textbox '' required: False
			[950] StaticText 'Leaving at'
			[632] listbox '' multiselectable: False orientation: vertical required: False
				[633] option '00' selected: True
				[635] option '01' selected: False
				[637] option '02' selected: False
				[639] option '03' selected: False
				[641] option '04' selected: False
				[643] option '05' selected: False
				[645] option '06' selected: False
				[647] option '07' selected: False
				[649] option '08' selected: False
				[651] option '09' selected: False
				[653] option '10' selected: False
				[655] option '11' selected: False
				[657] option '12' selected: False
				[659] option '13' selected: False
				[661] option '14' selected: False
				[663] option '15' selected: False
				[665] option '16' selected: False
				[667] option '17' selected: False
				[669] option '18' selected: False
				[671] option '19' selected: False
				[673] option '20' selected: False
				[675] option '21' selected: False
				[677] option '22' selected: False
				[679] option '23' selected: False
			[684] listbox '' multiselectable: False orientation: vertical required: False
				[685] option '00' selected: True
				[687] option '15' selected: False
				[689] option '30' selected: False
				[691] option '45' selected: False
		[698] button '1 adult (26-59) Add discount and loyalty cards'
		[709] button 'Get cheapest tickets'
		[717] heading 'Explore Europe effortlessly by train and bus'
		[720] heading 'Save 61% on average when you book in advance*'
		[1120] StaticText 'Compare cheap prices for train and bus tickets'
		[1135] StaticText 'Travel thousands of destinations in and across 45 countries'
		[1150] StaticText 'Join millions of people who use us every day'
		[1165] StaticText 'Customer service on hand every step of the way'
		[776] heading 'Trusted seller and official distributor for hundreds of operators'
		[126] image 'eurostar'
		[128] image 'heathrowexpress'
		[130] image 'lner'
		[132] image 'gwr'
		[782] image 'sncf'
		[783] image 'trenitalia'
		[784] image 'italo'
		[785] image 'thalys'
		[787] image 'renfe'
		[788] image 'ouibus'
		[789] image 'db'
		[790] image 'westbahn'
		[1257] StaticText 'London'
		[1261] StaticText 'to '
		[1266] StaticText 'Paris'
		[1280] StaticText 'from'
		[1291] StaticText '$'
		[1295] StaticText '43.35'
		[1317] StaticText 'Paris'
		[1321] StaticText 'to '
		[1326] StaticText 'Amsterdam'
		[1340] StaticText 'from'
		[1351] StaticText '$'
		[1355] StaticText '22.52'
		[1377] StaticText 'Barcelona'
		[1381] StaticText 'to '
		[1386] StaticText 'Madrid'
		[1400] StaticText 'from'
		[1411] StaticText '$'
		[1415] StaticText '7.88'
		[1437] StaticText 'London'
		[1441] StaticText 'to '
		[1446] StaticText 'Liverpool'
		[1460] StaticText 'from'
		[1471] StaticText '$'
		[1475] StaticText '16.67'
		[1497] StaticText 'London'
		[1501] StaticText 'to '
		[1506] StaticText 'Manchester'
		[1520] StaticText 'from'
		[1531] StaticText '$'
		[1535] StaticText '34.24'
		[1557] StaticText 'London'
		[1561] StaticText 'to '
		[1566] StaticText 'Edinburgh'
		[1580] StaticText 'from'
		[1591] StaticText '$'
		[1595] StaticText '25.52'
		[1619] StaticText 'Independent'
		[1626] StaticText '"Trainlines take-off has been vertical. Its the only global digital travel platform of its sort."'
		[1637] StaticText 'GQ'
		[1644] StaticText '"For those travelling by train, the most efficient and trustworthy way to purchase tickets is Trainline."'
		[1655] StaticText 'MSN'
		[1662] StaticText '"If youre thinking of getting the train the best site to use is thetrainline.com."'
		[966] heading "We're here to help"
		[969] heading 'Find clear FAQsonline and customer service available at the end of the phone seven days a week'
		[983] heading 'Europes leading train and bus app'
		[985] heading 'Keep your trip on track with departure times, platform info, and tickets in the palm of your hand.'
		[1098] tablist '' multiselectable: False orientation: horizontal
			[1100] tab 'Help and useful information' selected: False
				[1103] heading 'Help and useful information'
			[1168] tab 'Train and bus companies' selected: False
				[1171] heading 'Train and bus companies'
			[1251] tab 'Train journeys in the UK' selected: False
				[1254] heading 'Train journeys in the UK'
			[1325] tab 'Trains and buses in Europe' selected: False
				[1328] heading 'Trains and buses in Europe'
			[1429] tab 'Top destinations' selected: False
				[1432] heading 'Top destinations'
			[1485] tab 'Stations' selected: False
				[1488] heading 'Stations'
	[1570] alertdialog '' modal: False
		[1593] switch '' checked: false
		[1607] switch '' checked: false
		[1620] button ' Back Button '
			[1621] image ' Back Button '
		[1633] textbox '' required: False
		[1649] button 'Clear'
		[1655] checkbox '' checked: false
		[1664] button 'Apply'
		[1667] button 'Cancel'
		[1680] checkbox '' checked: false
		[1689] checkbox '' checked: false
		[1698] checkbox '' checked: false
		[1711] button 'Done'
CURRENT ACTION: type [144] [london] where [144] is 'From' hasPopup: listbox required: False
NEXT STATE PREIDCTION: 		[3791] image 'Trainline logo'
		[3947] button 'Change language or currency'
			[3793] image 'Change language or currency'
		[3958] button 'Basket Cart'
			[3959] image 'Basket'
		[3964] button 'Register'
		[3967] button ' header.burgerMenu.title '
			[3968] image ' header.burgerMenu.title '
		[3981] menu '' orientation: vertical
			[3983] menuitem 'Train and coach tickets'
			[3986] menuitem 'Railcards'
			[3989] menuitem 'Business'
			[3992] menuitem 'Get our app'
			[3995] menuitem 'Help'
		[3998] menubar '' orientation: horizontal
			[4000] menuitem 'UK trains'
			[4004] menu '' orientation: vertical
				[4006] menuitem 'UK train times'
				[4009] menuitem 'Cheap train tickets'
				[4012] menuitem 'Live train times'
				[4015] menuitem 'Journey Planner'
				[4018] menuitem 'Season Tickets'
				[4021] menuitem 'Advance Ticket Alert'
				[4024] menuitem 'Group train tickets'
				[4027] menuitem 'Split tickets'
				[4030] menuitem 'Flexi Season Tickets'
			[4033] menuitem 'European trains'
			[4037] menu '' orientation: vertical
				[4039] menuitem 'Trains in Europe'
				[4042] menuitem 'Cheap European train tickets'
				[4045] menuitem 'Italy train tickets'
				[4048] menuitem 'Spain train tickets'
				[4051] menuitem 'Germany train tickets'
				[4054] menuitem 'France train tickets'
				[4057] menuitem 'Belgium train tickets'
			[4060] menuitem 'Train companies'
			[4064] menu '' orientation: vertical
				[4066] menuitem 'UK train companies'
				[4069] menuitem 'Eurostar tickets'
				[4072] menuitem 'Trenitalia tickets'
				[4075] menuitem 'Deutsche Bahn tickets'
				[4078] menuitem 'SNCF tickets'
				[4081] menuitem 'Renfe tickets'
				[4084] menuitem 'OBB tickets'
				[4087] menuitem 'Frecciarossa trains'
			[4090] menuitem 'Popular journeys'
			[4094] menu '' orientation: vertical
				[4096] menuitem 'London to Paris train'
				[4099] menuitem 'Paris to Amsterdam train'
				[4102] menuitem 'Paris to London train'
				[4105] menuitem 'Barcelona to Madrid train'
				[4108] menuitem 'Amsterdam to Paris train'
				[4111] menuitem 'Brussels to Bruges train'
				[4114] menuitem 'Paris to Brussels train'
				[4117] menuitem 'Travel inspiration'
		[4119] button 'Sign in'
		[4145] combobox 'From' hasPopup: listbox required: False
			[3968] StaticText 'london'
		[4146] dialog '' modal: False
			[4147] listbox '' multiselectable: False orientation: vertical required: False
				[4149] option 'London, Any' selected: False
				[4154] option 'London Euston' selected: False
				[4158] option 'London Paddington' selected: False
				[4162] option 'London Kings Cross' selected: False
				[4166] option 'London Waterloo' selected: False
				[4170] option 'London Victoria' selected: False
				[4174] option 'London St Pancras International' selected: False
				[4178] option 'Gatwick Airport' selected: False
				[4182] option 'London Bridge' selected: False
				[4186] option 'Clapham Junction' selected: False
				[4190] option 'London Liverpool Street' selected: False
				[4194] option 'London Marylebone' selected: False
				[4198] option 'East Croydon, Town centre' selected: False
				[4204] option 'Stansted Airport' selected: False
				[4208] option 'Heathrow Airport, Any' selected: False
				[4214] option 'Stratford (London)' selected: False
				[4218] option 'London Blackfriars' selected: False
				[4222] option 'Finsbury Park' selected: False
				[4226] option 'London Charing Cross' selected: False
				[4230] option 'Vauxhall' selected: False
				[4234] option 'Tottenham Hale' selected: False
				[4238] option 'Luton Airport, by bus' selected: False
				[4244] option 'Richmond (London)' selected: False
				[4248] option 'London Cannon Street' selected: False
				[4252] option 'Wimbledon' selected: False
				[4256] option 'Bromley South' selected: False
				[4260] option 'London Waterloo East' selected: False
				[4264] option 'Sutton (London)' selected: False
				[4268] option 'City Thameslink' selected: False
				[4272] option 'Lewisham' selected: False
		[4284] combobox 'To' hasPopup: listbox required: False
		[4288] checkbox 'Via' checked: false
		[4305] textbox '' required: False
			[4307] radiogroup '' required: False
				[4313] radio 'One Way' checked: false
				[4320] radio 'Return' checked: false
		[4326] group 'Out'
			[4331] button 'Today'
			[4334] button 'Tomorrow'
			[4342] textbox '' required: False
				[3974] StaticText '24-Mar-23'
			[4348] listbox '' multiselectable: False orientation: vertical required: False
				[4349] option '00' selected: True
				[4351] option '01' selected: False
				[4353] option '02' selected: False
				[4355] option '03' selected: False
				[4357] option '04' selected: False
				[4359] option '05' selected: False
				[4361] option '06' selected: False
				[4363] option '07' selected: False
				[4365] option '08' selected: False
				[4367] option '09' selected: False
				[4369] option '10' selected: False
				[4371] option '11' selected: False
				[4373] option '12' selected: False
				[4375] option '13' selected: False
				[4377] option '14' selected: False
				[4379] option '15' selected: False
				[4381] option '16' selected: False
				[4383] option '17' selected: False
				[4385] option '18' selected: False
				[4387] option '19' selected: False
				[4389] option '20' selected: False
				[4391] option '21' selected: False
				[4393] option '22' selected: False
				[4395] option '23' selected: False
			[4400] listbox '' multiselectable: False orientation: vertical required: False
				[4401] option '00' selected: True
				[4403] option '15' selected: False
				[4405] option '30' selected: False
				[4407] option '45' selected: False
		[4411] group 'Return'
			[4416] button 'Same day'
			[4419] button 'Next day'
			[4427] textbox '' required: False
			[4433] listbox '' multiselectable: False orientation: vertical required: False
				[4434] option '00' selected: True
				[4436] option '01' selected: False
				[4438] option '02' selected: False
				[4440] option '03' selected: False
				[4442] option '04' selected: False
				[4444] option '05' selected: False
				[4446] option '06' selected: False
				[4448] option '07' selected: False
				[4450] option '08' selected: False
				[4452] option '09' selected: False
				[4454] option '10' selected: False
				[4456] option '11' selected: False
				[4458] option '12' selected: False
				[4460] option '13' selected: False
				[4462] option '14' selected: False
				[4464] option '15' selected: False
				[4466] option '16' selected: False
				[4468] option '17' selected: False
				[4470] option '18' selected: False
				[4472] option '19' selected: False
				[4474] option '20' selected: False
				[4476] option '21' selected: False
				[4478] option '22' selected: False
				[4480] option '23' selected: False
			[4485] listbox '' multiselectable: False orientation: vertical required: False
				[4486] option '00' selected: True
				[4488] option '15' selected: False
				[4490] option '30' selected: False
				[4492] option '45' selected: False
		[4499] button '1 adult (26-59) Add discount and loyalty cards'
		[4510] button 'Get cheapest tickets'
		[4518] heading 'Explore Europe effortlessly by train and bus'
		[4521] heading 'Save 61% on average when you book in advance*'
		[4577] heading 'Trusted seller and official distributor for hundreds of operators'
		[3797] image 'eurostar'
		[3799] image 'heathrowexpress'
		[3801] image 'lner'
		[3803] image 'gwr'
		[4583] image 'sncf'
		[4584] image 'trenitalia'
		[4585] image 'italo'
		[4586] image 'thalys'
		[4588] image 'renfe'
		[4589] image 'ouibus'
		[4590] image 'db'
		[4591] image 'westbahn'
		[4767] heading "We're here to help"
		[4770] heading 'Find clear FAQsonline and customer service available at the end of the phone seven days a week'
		[4784] heading 'Europes leading train and bus app'
		[4786] heading 'Keep your trip on track with departure times, platform info, and tickets in the palm of your hand.'
		[4899] tablist '' multiselectable: False orientation: horizontal
			[4901] tab 'Help and useful information' selected: False
				[4904] heading 'Help and useful information'
			[4969] tab 'Train and bus companies' selected: False
				[4972] heading 'Train and bus companies'
			[5052] tab 'Train journeys in the UK' selected: False
				[5055] heading 'Train journeys in the UK'
			[5126] tab 'Trains and buses in Europe' selected: False
				[5129] heading 'Trains and buses in Europe'
			[5230] tab 'Top destinations' selected: False
				[5233] heading 'Top destinations'
			[5286] tab 'Stations' selected: False
				[5289] heading 'Stations'
	[5371] alertdialog '' modal: False
		[3808] StaticText 'Read more'
		[5394] switch '' checked: false
		[5408] switch '' checked: false
		[5421] button ' Back Button '
			[5422] image ' Back Button '
		[5434] textbox '' required: False
		[5450] button 'Clear'
		[5456] checkbox '' checked: false
		[5465] button 'Apply'
		[5468] button 'Cancel'
		[5481] checkbox '' checked: false
		[5490] checkbox '' checked: false
		[5499] checkbox '' checked: false
		[5512] button 'Done'
[Rationale] The agent's current action of typing "London" in the "From" field is a necessary step toward fulfilling the user's objective of finding a train ticket from London to Sheffield. However, the next state observation indicates that the input has been registered as "london" in a list of options but does not yet reflect a complete action that moves the user closer to finding the cheapest ticket. The next state still requires the agent to select a destination (Sheffield), specify the date (March 29), set the arrival time (by 10:45 am), and indicate the number of adults (2). Thus, while the agent is making some progress by identifying the departure location, it is not substantial enough to warrant a high score. The score of 0.07 reflects this minimal progress, as it indicates that the agent has started the process but is far from achieving the goal of booking the tickets. [Score] 0.07