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

Q: Sentence1: The TR1156 leaves at 15:16. Will that work for you? Sentence2: There are 13 colleges in the centre of town. Would you prefer a college without an entrance fee? Sentence3: Yes can I have an arrival time please? Sentence4: I need a train on Saturday after 14:30. Sentence5: I need to travel to Norwich from Cambridge after 14:30. Sentence6: Okay thank you for your help. Sentence7: I'm looking for a place to in the centre, perhaps a college. Sentence8: No preference. Can you make a recommendation and give me the address, phone number, and entrance fee? Sentence9: The arrival time is 16:35. Sentence10: Thank you for using Cambridge TownInfo Centre. Sentence11: Where are you leaving from and traveling to? Sentence12: christ's college is great. the address is st andrews st, free entrance & their number is 01223334900, anything else? Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Thank you for using the Cambridge TownInfo centre. Have a great day. Sentence2: City Centre North B and B is at 328a Histon Road. Please let me know if you would like restaurant recommendations. Sentence3: Hi, can you help me locate a hotel named City Centre B and B. Really looking forward to trying different restaurants. Sentence4: Are you still there? Were you able to book that? Can I get a reference number please? Sentence5: i am doing that right away sir. thank you Sentence6: Booking was successful. Reference number is : MOPETAI4 . Sentence7: Thank you, good bye Sentence8: Can you please help me book that hotel for 8 people. We'll be staying for two nights starting on Tuesday. Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Ashley hotel is available, would that work for you? Sentence2: Thank you and enjoy your visit to cambridge! Sentence3: Yes, I'd like to book for three people please. Sentence4: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence5: I've booked you 3 seats on the TR3720 with a total fee of 30.29 GBP which is payable at the station. The reference number is Y3ATC2SJ . Sentence6: I have train TR3634 leaving cambridge and arriving london kings cross at 13:51. Will that work for you? Sentence7: Sorry about all that confusion. I think I've found you a train. TR3720 is the closest in time, leaving the airport 13:24, arriving Cambridge 13:52. Would you like a seat reserved? Sentence8: Thank you. Im also looking for a hotel in the north in the moderate price range. Sentence9: I need the train to go to cambridge and leave from stansted airport. Sentence10: I reserved a seat for you on the 05:24 train. Your reference number is9BQT5T9M . Your ticket of 10.1 GBP is payable when you get to the station. Sentence11: Booking was successful, you reference number is DEMBOPOR, can I assist with anything else? Sentence12: No that is everything I need today. Thank you. Sentence13: I need a train from Stansted Airport to Cambridge, arriving by 14:45 on Wednesday, please... Sentence14: Great, that's all I needed. Thank you! Sentence15: Yes, I need a train for wednesday arriving at 14:45. Sentence16: Sure, can you book it for 2 nights and 3 people? Question: Who has spoken the sentence 12? (A) User (B) System

A:
Answer: (A) User
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