Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: No, but it should have free wifi, 4 stars, and free parking. Sentence2: Certainly, is there an area of town you prefer? Sentence3: The Place is a nightclub in the south part of town. I'm sorry, i do not have the entrance fee. Their phone number is 01223324600. Is there anything else? Sentence4: No. You can pick the hotel. I will need it for 3 people lasting 2 nights, from Friday. Sentence5: No, that's all I needed! Thanks you've been so helpful! Bye! Sentence6: Yes, I need the reference number. Sentence7: What is the entrance fee and the phone number for the one in the south? Sentence8: There are quite a few options that match your needs -would you prefer cheap or moderately priced? Sentence9: You are most welcome. Enjoy your visit! Sentence10: I am looking for a place to stay with 4 stars. Sentence11: Booking was successful. Reference number is : UUJ3X14V . Sentence12: I have booked you a room at the Acorn Guest House. They are at 154 Chesterson Road, CB41DA. Their phone number is 01223353888. Can I help you with anything else? Sentence13: I have 6 night clubs in the city, 5 are in the centre and 1 is in the South? Would you like info on any of them? Sentence14: Thanks! I am also looking for suggestions for night clubs. Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System