Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Okay, how about a booking for 1 night? Sentence2: Unfortunately, they do not have availability for that long a stay. Would you like to try for a shorter stay or different day? Sentence3: No thank you that's all the information I need today. Sentence4: I was able to book 1 night at hobsons house for Friday. Your reference number is R87K52QJ . Sentence5: Alright then. Goodbye. Sentence6: I found four hotels do you have any other requirements? Sentence7: You're welcome! I hope you enjoy your stay in Cambridge! Goodbye. Sentence8: Hobsons House matches your preferences. Would you like me to book a room? Sentence9: Actually, I'm not quite done. Would you please book the hotel for 8 people, 4 nights? We'll be arriving on Friday. Sentence10: Hi! Can you help me find a hotel somewhere on the west side of town please? Sentence11: Thank you very much. That is all I need! Sentence12: Yes, the hotel should include free wifi. Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System