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

[Q]: Sentence1: Yes, all of the listed entrance fees are 5 pounds. The Club Salsa is nice. Sentence2: Have fun! Goodbye! Sentence3: Club Salsa's address is 1 Station road and their phone number is 07782218745. Sentence4: No thanks. That's it. Sentence5: Location doesn't really matter. Is there an entrance fee? Sentence6: Yes, would you like to find a nightclub in the centre or south part of town? Most of them are in the centre. Sentence7: Club Salsa sounds right up my alley. Can I get the address and phone number please? Sentence8: Can you find information about nightclubs? Sentence9: You're welcome. Can I help you with anything else? Sentence10: Okay, great! Thanks for your help! Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: There is a moderate priced Indian Restaurant located on the east side, would you like that address? Sentence2: That's it, thanks. Good bye. Sentence3: Thank you for calling. Goodbye. Sentence4: Yes please, could I have the address, phone number, and postcode of the venue? Sentence5: located in the east side Sentence6: Hi, I want a moderately priced restaurant. Sentence7: curry prince's address is 451 Newmarket Road Fen Ditton, their postcode is C.B 5, 8 J.J. Their phone number is 01223 566388 Sentence8: There are several restaurants in the moderate price range. Do you have a preference for the type of food or part of town? Sentence9: Thank you. Sentence10: You're welcome. Anything else I can help you find? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Is there one you would recommend and the address please? Sentence2: Great, enjoy your trip! Sentence3: There are several museums in the center of town. Is there anything in particular you are interested in seeing? Sentence4: The Backstreet Bistro is in the town Centre. Do you want me to book you a table? Sentence5: I am looking for a restaurant that serves gastropub food and is expensively priced. Sentence6: Great, that's all I needed to know. Sentence7: No I will just go there. Can you help me find some museums in the centre of town? Sentence8: I have no preference, can you give me the postcode, phone number, and area for the closest one? Sentence9: The backstreet bistro phone number is 01223306306 and the post code is cb12qa. Sentence10: Thanks for using our system Sentence11: And what part of town is that in? Sentence12: I would recommend the Backstreet Bistro. Their address is 2 Sturton Street City Centre Sentence13: Thank you, goodbye again. Sentence14: I have 3 that match. One is in the east area and two are in the centre. Do you have a preference? Question: Who has spoken the sentence 6? (A) User (B) System
[A]:
Answer: (A) User