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: I would recommend home from home, which is located in the north part of town at 78-80 milton road. Would you be interested in booking a room? Sentence2: Okay, I've booked your guesthouse for 2 days starting on Sunday. Your reference number is XYQCAGO8 . Is there anything I can help you with? Sentence3: Not really, but it should have 4 stars and be in a guesthouse. Sentence4: you are most welome Sentence5: That sounds great. I would like to book that for 3 people and 2 nights starting from Sunday. Sentence6: I need a palce to stay that has free wifi but in the moderate price range. Sentence7: There are 17 results. Can I narrow that down by a certain area? Sentence8: No, that is all I need today. Thank you. Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System