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

Sentence1: Thank you for using this system Sentence2: There are several cheap restaurants located in the centre part of town. Sentence3: I am looking for a cheap restaurant. Sentence4: Yes, La Raza serves Spanish food. Would you like their phone number? Sentence5: Do any serve spanish food? Sentence6: La Raza is located at 4-6 Rose Crescent, their postcode is C.B 2, 3 L.L Sentence7: Thank you, goodbye. Sentence8: No, I would like the address and the post code please. Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: Are you sure? I'd really like some Austrian food. Sentence2: Yes I am sure. However, I do have a number of restaurants listed as serving European food. Would you like information on these? Sentence3: Thank you, let us know if you need any more help with anything. Sentence4: The phone number is 01223307030. The address is Quayside Off Bridge STreet and the postcode is cb58aq. Can I book a reservation? Sentence5: Yes please. I prefer the centre of town if possible. Sentence6: I would like for that to be cheap as well. Sentence7: No, I'm all set, thanks. Goodbye! Sentence8: Hi, I'm looking for a cheap austrian restaurant. Sentence9: Sounds good. Could you give me the number? Also, the address and postcode. Sentence10: The River Bar Steakhouse and Grill located in the Centre has cheap Modern European food. Would you care for that? Sentence11: There are a number of European options in the town centre. Do you have a price range? Sentence12: I'm sorry but I don't have any Austrian restaurants? Would you like to try a different cuisine? Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: Actually, I'm looking for somewhere that's located near the centre. Could you recommend somewhere near there? Sentence2: Yes, please. Sentence3: Great. Thank you so much for your help. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : TZPTJJA5 . Sentence5: It's for 5 people and we want to eat at 13:30 on saturday. Sentence6: There are 9 restaurants that meet your criteria. Want to try Yu Garden on 529 Newmarket Road Fen Ditton or a different one? Sentence7: You are welcome. Have a good day! Sentence8: Hi, I'm looking for a local upscale chinese restaurant. Sentence9: For how many people and at what time/day? Sentence10: The Ugly Duckling restaurant is an expensive Chinese restaurant near the center of town. Would you like me to make a reservation for you? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User