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

Q: Sentence1: Yes please, two people for two nights on sunday. Sentence2: Yes! Can you book for 2 people at 14:15 on this Sunday? Sentence3: Reference number is : E9BM21NJ . Is there anything else I can assist you with? Sentence4: Are you sure there is nothing more I can help with today? Sentence5: Great that will be all we need. Sentence6: Can you help me find a place to eat in the expensive price range in the south part of town? Sentence7: I have one matching result. It is the lensfield hotel. Do you want to reserve a room? Sentence8: I was able to book your party of 2 into The Chop House on Sunday at 14:15 Reference: MUWLBLLW . May I assist with more today? Sentence9: What about the cambridge chop house. The address is: 1 Kings Parade. You you like me to book a table? Sentence10: Do you have a reference number? Sentence11: This time that is everything, thank you for your help. Sentence12: Actually yes I will be needing somewhere to stay too please. A 3 star hotel in the same area and price range as my restaurant. Sentence13: You are welcome enjoy. Sentence14: Ok, I've booked the Lensfield Hotel for you for 2 people and 2 nights starting Sunday Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: How many tickets please Sentence2: I want to go to Cambridge on Wednesday. Sentence3: I can give you all kinds of information as well as book a ticket. Where are you going and when? Sentence4: Have a great stay in town. Goodbye. Sentence5: Train TR9741 arrives at 07:52 and I have booked you for 2,here is your information:Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : U44P6DQP . Sentence6: I want you to book it for 5 nights, starting wednesday. 2 people. Sentence7: Where will you leave from? Sentence8: Sure thing, what kind of information do you need? Sentence9: Nope, that's all I need today. Thanks for all your help. Goodbye! Sentence10: Okay that booking was successful. Your reference number is 2VD26230 . Anything else I can do for you? Sentence11: I am looking for information and would appreciate the help. Can you help with a train? Sentence12: Would you like to specify a departure or arrival time? Sentence13: I would need 2 tickets. Sentence14: Can you also look up the hotel Carolina Bed and breakfast? Sentence15: I will be leaving from ely. Sentence16: I need to arrive by 08:45 Question: Who has spoken the sentence 13? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Booking was successful. The table will be reserved for 15 minutes. Reference number is : IMSY2GMJ . Is there anything else I can do for you today? Sentence2: Two people at 11:15 for 2 people. Sentence3: What day would you like to book your reservation? Sentence4: No, thank you Sentence5: Have a great day! Sentence6: I found one for you called restaurant alimentum. Would you like me to book it for you? Sentence7: Yes! Sentence8: I am looking for a local restaurant in the south that offers modern European cuisine Sentence9: For which day shall I book the table? Sentence10: Tuesday, please. Question: Who has spoken the sentence 8? (A) User (B) System

A:
Answer: (A) User
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