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

[Q]: Sentence1: i want some mexican food. Sentence2: Dojo Noodle Bar serves asian oriental food and is located in the centre of town. The price range is cheap. Sentence3: The phone number for dojo noodle bar is 01223 363471. Would you like any other information? Sentence4: I don't care. Sentence5: You're welcome. Goodbye. Sentence6: We have four Asian oriental restaurants in centre. What price range do you prefer? Sentence7: What is the phone number? Sentence8: No, thank you, that's all I need. Thank you and goodbye! Sentence9: The only listing for Mexican food is Chiquito Restaurant Bar. How else may I assist you? Sentence10: I want a restaurant in the centre and serves asian oriental food? What is the phone number? Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: You're welcome. Goodbye! Sentence2: Sure! Can you book a table for 8 people at 17:30 on Friday? Sentence3: Thank you. That's all I need right now. Bye. Sentence4: No. Choose one for me. Sentence5: There are a total of 14 different expensive Indian restaurants located throughout the city. Is there a particular area of town you would like to eat in? Sentence6: I'd like you to tell me about great Indian restaurants in the area. It's okay if they are expensive. Sentence7: Curry garden has good reviews, would you like to book there? Sentence8: Sure. Your reference number is QLMRQ3H2 . Anything else? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I'm open to any kind of food. I'm looking for something in the centre and on the expensive side. Sentence2: You are very welcome. Is there anything else I can assist you with? Sentence3: I'd also like to find somewhere to go in town. Sentence4: Okay, thank you so much for your help. Sentence5: That sounds lovely. There will be 2 of us at 16:45 on Tuesday please. Sentence6: You would love cineworld cinema Sentence7: We have several attractions to choose from, do you have a preference as to the type? Sentence8: We can narrow down our selection for you if we know the Restaurant chain and the kind of Food you prefer? Sentence9: I'm looking for an expensive restaurant in the centre of town. Sentence10: You are welcome enjoy. Sentence11: There are a lot of good choices like that. I can recommend The Cambridge Chop House if British food appeals to you. Would you like me to book you a table? Sentence12: That is all for now. Thank you for your help. Sentence13: Is there a cinema? Sentence14: The postcode for cineworld cinema is cb17dy Sentence15: I was able to get a reservation at that time. Your reference number for your reservation is RC16KLU4 . Is there anything else I can help you with? Sentence16: Thank you, I just need their postal code for now and I can take it from there. Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System