Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: The TR7610 leaves Cambridge at 21:21 and arrives in Leicester at 23:06. Would you like to book a ticket? Sentence2: Booking was successful, the total fee is 90.72 GBP payable at the station. Your reference number is DKV6X3Z3 Sentence3: Yes, can you book me a ticket for 3 people? Sentence4: Sure thing! It is in the east, moderate priced and 4 star. Need me to book a room? Sentence5: Yes I have a listing for the a and b guest house. Sentence6: Can you tell me the phone number, hotel type, and postcode? I need to check on a few things. Sentence7: I need a train leaving Cambridge after 21:15. Sentence8: The phone number for A and B Guest House is 01223315702 and the postcode is cb12dp. Sentence9: Wonderful. Can you tell me if A and B Guesthouse is still around? Sentence10: Can get some detailed information on this place? Sentence11: Ok, I have 5 options for you. The earliest leaves at 21:59. Sentence12: I would like to travel on Saturday and go to Leicester. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User