You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Booking was successful. Reference number is : KIZ22NB2 . Sentence2: Alright, how about a single night stay? Would that work? Sentence3: The primavera is located at 10 king s parage postcode cb21sj Sentence4: Unfortunately there is no availability. Would you like to change the length of your stay or choose another guesthouse? Sentence5: Yes, thank you. The address for any on that you recommend. Sentence6: Yes, for seven people. We want to check in on Sunday and stay for two nights. Sentence7: I need to find an entertainment place in the centre of town. Sentence8: Yes! There are 11 museums located in the centre of town. Would you like the information for any of them? Sentence9: Is there a museum then? Sentence10: thanks! I'm also looking for a guesthouse to stay in in the north. Sentence11: Yes, they offer free wifi as well as free parking. Would you like me to book a room for you? Sentence12: Unfortunately, there are no entertainment attractions in the centre of town? Would you like me to search for a different area or a different type of attraction? Sentence13: acorn guest house would be nice, can i boot it for you? Sentence14: does it have free wifi? Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User