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

Example Input: Sentence1: The phone number for pizza hut cherry hinton is 01223 323737 and they are located at G4 Cambridge Leisure Park Clifton Way Cherry Hinton. Sentence2: There are two restaurants: Pizza Hut Cherry Hinton and Restaurant Alimentum. Sentence3: No, there are only 2 restaurants in the area. Is there anything else I can help with? Sentence4: Give me the address and postcode of any of them, please. Sentence5: That's great. Thank you so much Sentence6: What kind of food do you want? italian or modern european? Sentence7: The postcode is C.B. 1 7 D.Y Sentence8: Is there anything else available? Sentence9: Hello, I am looking for a moderately priced restaurant in the south part of town. Sentence10: I do not care. Sentence11: What is the postcode? Sentence12: You're very welcome. Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: kohinoor. i want to book a table for 2 people at 16:45 on Thursday Sentence2: Nope, I'm all finished for today. Thanks so much, goodbye now! Sentence3: Sure. Booking was successful. The table will be reserved for 15 minutes. Reference number is : X9AVZ8EI . Can I help with anything else today? Sentence4: Absolutely. What is the name of the restaraunt you are interested in? Sentence5: You are very welcome, bye! Sentence6: I need to find some information in a particular restaurant. Are you able to look up a specific place? Sentence7: I also need a Thursday train. Sentence8: Depart from Ely and would like to arrive by 13:00 in Cambridge. I need to book it for 2 people I also need a reference number. Thanks Sentence9: What location will you depart from and where are you headed? Sentence10: Sure thing, it's booked and your reference number is PWSVK4XQ . Do you need more help? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I have train TR6009 that leaves at 08:34 and will arrive in Peterborough at 09:24. Would that work for you? Sentence2: Have a nice day. Thank you for contacting us. Sentence3: I'm looking for train tickets, can you help with that? Sentence4: There are many trains going to peterborough from cambridge. What day and time do you want to leave? Sentence5: No thanks, that was all I needed. Goodbye. Sentence6: Yes please book me a room for 4 people for 2 nights starting from Tuesday. Sentence7: No, I'm sorry there aren't any hotels that meet that criteria. Would you like to try a different area? Sentence8: Booking was successful at ashley hotel . Reference number is : DHVIHB9V . Can I help you with anything else today? Sentence9: Yes, Where will you be arrive from and going to? I also need a date and time. Sentence10: The travel time is 50 minutes. Sentence11: What is the travel time? Sentence12: Are there any 2-star hotels (not guesthouses) in the south that have free parking? Sentence13: I want to go to peterborough and depart from cambridge. Sentence14: In the north, I have 2 places. The first is the Ashley Hotel and the other is the Lovell Lodge. Did you need me to book you a room? Sentence15: Is there anything in the north? Sentence16: I'd like to leave Thursday after 8:30 please. Question: Who has spoken the sentence 13? (A) User (B) System
Example Output:
Answer: (B) System