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: Okay, there are 11 places to stay that might work. Would you prefer a guesthouse or a hotel? Sentence2: Your booking was successful and reference number is 3ZYK9LO1 . Is there anything else I may assist you with? Sentence3: I need a hotel on the north side with free parking. Sentence4: That leaves us with about 7 options. Can I suggest the Acorn Guest House? It is a 4 star moderately priced guesthouse in the north. Sentence5: I'd prefer a moderate price guesthouse. Sentence6: No, that about covers it. Thanks for your help today. Sentence7: You are welcome. Thank you for using Cambridge TownInfo Centre. Goodbye. Sentence8: That sounds fine. Would you make a reservation for 4 people, 3 nights starting Monday? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System