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: Acorn guest house is in the moderate price range, are you looking to book in that pricerange then? Sentence2: Acorn guest house has good ratings would you like to stay there? Sentence3: Is it in the north? I need to be in the north area of the city. Sentence4: I'm sorry, there were no rooms available. Would you like to find another hotel? Sentence5: I do not need free parking. Sentence6: I need a place to stay please. A guesthouse would be great. Sentence7: Will you be needing free parking? Sentence8: Yes, please book starting Thursday for 4 people and for 4 nights. Sentence9: Yes, Acorn Guest House is a 4 star guest house with free internet and free parking in the north part of town. Should I book it for you? Sentence10: The Acorn is not available but I went ahead and booked the alpha-milton guest house. Your reference number is SJZ9ZJ8V . Sentence11: You are welcome. Enjoy your stay. Sentence12: Good. Thanks for your help. Sentence13: Could you try another hotel in the same price range and, if you make a reservation, give me the reference number? Sentence14: Yes, that would be fine, moderate price range. Question: Who has spoken the sentence 12? (A) User (B) System
A:
Answer: (A) User