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: The address is 451 Newmarket Road Fen Ditton. Unfortunately, the restaurant is fully booked. Do you have another restaurant or type of food in mind? Sentence2: Something in the same area and price range would work. Sentence3: Great. Thank you so much. Sentence4: Yes, I found what you're looking for. Would you like the address? Sentence5: Your booking was successful, the reference number is FYFXWH1Z . Is there anything else I can help you with today? Sentence6: Sure thing. I'll need a reference number too. Sentence7: I'm looking for a restaurant my friend recommended, I think she called it the Curry Prince. Sentence8: No that will be all for today. Thank you so much for your help. Sentence9: Sure, and can you book it for Friday at 12:00 for 3 people? Sentence10: You are very welcome. Is there anything else I can help you with today? Sentence11: You are welcome. Have a lovely day. Sentence12: I have rajmahal which is in the same area and price range. Would you like me to book a table there? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System