You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Help me find a moderate priced british food place please. Sentence2: Your reference number is T790DS3O and the total fee is 35.2 GBP, which is payable at the station. Sentence3: We will have to start over now. Sentence4: Not at this time. Could I just get the phone number? Sentence5: Yes please book it for 8 people Sentence6: Yes, restaurant one seven is located in the centre. Sentence7: Perfect, could you just tell me their phone number? Sentence8: you are welcome any time Sentence9: I also need a train from Ely to Cambridge on Tuesday to arrive by 12:30. Sentence10: I will work on booking this and be right back with you. Sentence11: No, that should be all. thank you very much. Sentence12: Is that restaurant in the Centre? Sentence13: TR3412 leaves at 11:35 and arrives at 11:52. Will this one work for you? Sentence14: Yes, sorry. Tuesday, leaving Ely and getting to Cambridge by 11:30. Sentence15: Okay, well I suppose this is goodbye then. Sentence16: The phone number is 01223337766 Sentence17: Actually, I need to change my reservation. I need the train to arrive by 11:30 instead. Sentence18: Thank you for using the Cambridge TownInfo centre. Goodbye Sentence19: I need it for 8, as I said. Do you have the reference number? Sentence20: Your updated train is now TR4669. Your new reference number is 2T4NNGG9 . The total fee remains the same. The train departs at 09:35 and arrives at 09:52. Anything else? Sentence21: Their phone number is 01223337766. Do you need assistance with anything else? Sentence22: restaurant one seven is a nice place. Do you want to book? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: So, to clarify, you want a taxi from the University Arms to Bangkok City at 16:00, correct? Sentence2: No, that's all. Thank you. Sentence3: What price range and in what area? Sentence4: What type of hotel is the University Arms? Sentence5: its postcode is cb21ad. is that all? Sentence6: It's a 4 star hotel. In the centre and expensive as you requested. Sentence7: I am looking for an expensive place in the centre area with free wifi? Sentence8: I would like to book a taxi that can commute to both places, It would need to arrive by the booked time. Please provide contact and the car type. Sentence9: Your cuisine options are: British, European, Indian, and Thai. Sentence10: Yes I would like a table for 4 people at 16:00 on Saturday. Sentence11: Reference number is : FJVATJEE . Is there anything else? Sentence12: I'm sorry, make that the centre of town. A Thai restaurant would be fine. Sentence13: Yes, thank you. Sentence14: I found Bangkok City. Would you like me to book a table? Sentence15: Have a nice day. Sentence16: I am looking for something expensive in the west please. Sentence17: I have two options. The Gonville Hotel which has three stars, and the University Arms Hotel which has four stars. Would you like to make a booking? Sentence18: Done! You'll be picked up in a yellow Tesla, and the contact number is 07044662222. Can I help you with anything else? Sentence19: Can you help me locate a place to eat tonight? Sentence20: No thank you. What is the University Arms Hotel's postcode? Question: Who has spoken the sentence 17? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: No, thank you. You have been very patient and helpful. Have a nice day. Bye. Sentence2: Okay that sounds great. Sentence3: Thank you so much for calling. It has been my pleasure. Have a great trip and a wonderful day. Goodbye. Sentence4: I don't have an area preference but it should have a star of 4 and have free parking. Sentence5: sure it is a guesthouse and the postcode is cb13js, anything else today? Sentence6: I'm sorry, I don't understand your response. Could you please verify from where you are leaving and where you are going? Sentence7: TR9999 leaves at 12:09, travel tine is 105 minutes, cost is 30.24 pounds per person. Any other questions, Sentence8: How many people and how many nights should I make the booking for? Sentence9: I need help finding a train from leicester to cambridge, departing on sunday after 11:45. No reservation, just need to know travel time, arrival time, and price please. Sentence10: its a guesthouse Sentence11: What sort of hotel is it? Guest house or hotel? Sentence12: Yeah, I'm hoping to find a cheap place to stay. Can you help with that? Sentence13: Yes please go ahead and book it. I'm also looking for a train. Sentence14: Would you like me to make a booking for you? Sentence15: cambridge, travel time, arrival time, and price please Sentence16: I just need the postcode and hotel type. Sentence17: You earlier mentioned you need train information. Starting from what city and ending at what city? Sentence18: That is all, thank you so much Sentence19: what's the postcode? Sentence20: Sure. How about the Allenbell? It is in the east and fits all of your needs. Sentence21: Of course! What part of town would you like to stay in? Sentence22: The postcode is cb13js. Would you like a reservation? Question: Who has spoken the sentence 14? (A) User (B) System

Answer:
Answer: (A) User