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

Q: Sentence1: Can I get a taxi to take us from the gallery to the restaurant? Sentence2: I'm looking for a museum with a restaurant. Sentence3: Yes please. I need the reference number too. Sentence4: Do you know of any restaurants in the centre of town that serve lebanese food? Sentence5: Yes I'd like one for Sunday for 19:15, there will be 8 of us. Sentence6: Great. Please get me their address. Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : H570Z3KN . do you have any other questions Sentence8: Is it moderately priced? Sentence9: Yes. Ali Baba is moderately priced. Would you like me to make a reservation for you? Sentence10: No, that will be all thank you. Sentence11: Ali Baba is in the centre of town serving lebanese food Sentence12: Ok, a white audi will pick you up at cafe jello gallery and bring you to Ali baba by 19:15. You can contact the driver at 07646811518. Anything else? Sentence13: will you need to have all eight of you seated at the same table? Sentence14: How does the Cafe Jello Gallery sound? It is located in the west and does not have an entrance fee. Sentence15: You're welcome. Thank you. Sentence16: Cafe jello gallery can be found at 13 magdalene street. Is there anything else I can do for you? Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: Thanks. You too! Goodbye. Sentence2: Get back in touch if you need help in the future. Goodbye. Sentence3: I need information on trinity college Sentence4: You're welcome! Have a great day. Sentence5: Okay, I've pulled up Trinity College. What information do you need? Sentence6: No, that is all I need today. Thank you very much! Sentence7: Ok. Trinity college is a college and the address is trinity street. Anything else? Sentence8: I need to know the attraction type and address. Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: How about 17:15? Sentence2: There is la margherita, an italian restaurant and thanh binh, a vietnamese restaurant. Sentence3: I wasn't able to make that reservation. Would you like to try a different time? Sentence4: Churchill college is on the west side on Storey's way. There is no entrance fee. The phone number is 01223336233. Anything else I can tell you? Sentence5: How many people will be dining, and for what date and time? Sentence6: I think that was it. Thank you for your help! Sentence7: You're welcome. Have a great day! Sentence8: Great. Can you also tell me about Churchill College? I am thinking of visiting that. Sentence9: That booking was successful. Your reference number is XF1JEIBG . Sentence10: Yes, I am interested in the one that serves Italian food. Sentence11: There will be 4 people and I would like to reserve it for Wednesday at 6:15. Sentence12: I am looking for a restaurant in West Cambridge, in the cheaper price range please. Question: Who has spoken the sentence 4? (A) User (B) System

A:
Answer: (A) User
****