You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Input: Consider Input: Sentence1: You're welcome, have a great day. Sentence2: I would like modern european food and in should be located in the centre of town. Sentence3: I would like a train that leaves from stansted airport after 16:15 Sentence4: I'd like a cheap one, I don't want to spend too much on food, I want to bring back as many knick-knacks as possible. Sentence5: Please get me their postcode instead Sentence6: How many tickets do you need me to book for the train? Sentence7: I actually don't need a ticket right now. Could you please tell me the price and travel time though? Sentence8: There are 8 results for European restaurants in the centre area, would you prefer an expensive, moderate or cheap price range? Sentence9: Yes, the postcode is cb58aq. Sentence10: The river bar steakhouse and grill meets all your needs. Do you want me to book? If yes, for how many, what day and what time? Sentence11: Absolutely. The TR5365 costs 10.10 pounds and has a travel time of 28 minutes. What else can I do for you? Sentence12: There's a train leaving stansted airport for cambridge every hour on Monday, by what time would you like to arrive? Sentence13: I will be traveling on monday and need to go to cambridge Sentence14: The earliest train is TR5365 that leaves the airport at 16:24 and arrive in Cambridge at 16:52. Do you need a ticket? Sentence15: Thank you, that will be all. Sentence16: I don't care. Give me the earliest one leaving after 16:15. Sentence17: What are would you like to eat? Sentence18: Yes please thank you. Can you also assist to find me a restaurant where i can dine in the Center. My preference is Modern European food. Sentence19: I also need a place to eat. Sentence20: What day will you be traveling, and where will you be heading to? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: 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

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, the Autumn House is a cheap, 4 star guesthouse. Free wifi and parking are included. Would you like me to make a booking for you? Sentence2: The train should leave Monday after 17:45. Sentence3: I would like one that it relatively cheap and located in the east part of town. Sentence4: No problem. Enjoy your time in Cambridge! Sentence5: nope that is all thanks Sentence6: Yes, go ahead and book 4 tickets for me on that train! Once that is done, can I have the reference number? Sentence7: The postcode for the autumn house is cb58rs. There are 133 trains travelling from Cambridge to kings lynn. Could you be more specific on what day/time you're looking for? Sentence8: Booking was successful, the total fee is 39.2 GBP payable at the station. Reference number is : Y9FTRIGK . Is there anything else I can help with? Sentence9: Yes, can I get the postcode, and also I am looking for a train that departs from Cambridge and arrives at Kings Lynn as well. Sentence10: I am looking for a cheap place to stay in the east part of town. Sentence11: Well, there's the Autumn House, would you like to give that a try? Sentence12: No problem. We have 3 guesthouses that match that. Do you have a further preference? Sentence13: Is that a 4-star place? I would like a 4-star place, even though I need it to be cheap. Sentence14: Trains run every hour from 18:11 all the way to 23:11. If you don't have a preference, perhaps I can book you the 18:11 train? It arrives at 18:58. Question: Who has spoken the sentence 10? (A) User (B) System


Output: Answer: (A) User