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