You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Example input: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Example output: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system
Q: Sentence1: No, that's all. Thanks. Sentence2: Yes I was able to book a room there for one night. Reference number is PL0P458J . Sentence3: I was able to find three results for what you are looking for, may I recommended finches bed and breakfast? Sentence4: Hi, I'm looking for a 4 star hotel on the west side. Sentence5: Thank you for contacting, Cambridge TownInfo centre. Sentence6: Yes, sounds good. I'd like to book for 6 people for 5 nights from Thursday. Sentence7: I'm afraid that wont work. Can we try a different day or length of time? Sentence8: Is there anything else I can help you with today? Sentence9: Great do they have free wifi? Sentence10: They have free wifi and free parking! They're a guesthouse, not a hotel, though - is that OK? Sentence11: Great! Thanks for your help with booking that. Sentence12: Would you be able to get it for 1 night and also get me a reference number Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System