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. I need to book the train for 8 people. Sentence2: enjoy your stay in cambridge! Sentence3: TR2125 leaves a 09:01 and arrives by 10:01. Would you like a ticket? Sentence4: Thanks! I also need a train to Broxbourne on Thursday. Sentence5: I'm looking for places to go watch entertainment. Sentence6: Fantastic, thank you very much. I don't need anything further today! Sentence7: There are 5 entertainment venues in Cambridge. Do you have an area in mind? Sentence8: There are quite a few options. Do you have a preference for departure or arrival time? Sentence9: I don't mind the area. can I get the address to one of them? Sentence10: Yes I was able to book that for you and your reservation number is 648C0A9S . Sentence11: Yes, I want to depart from Cambridge any time after 8:30. Sentence12: The Funky Fun House is amazing. I think you'll love it. Their address is 8 Mercers Row, Industrial Estate. Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Could you also get me a taxi between the two that leaves the hotel by 6:15? Sentence2: There are 11 guesthouses that fit your criteria. Do you have a preference of north, south or east? Sentence3: The address is saint andrew's street. Sentence4: the taxi is booked. it's going to be a yellow tesla. their phone number is 07606976296. Sentence5: The area doesn't matter. I'll go with whatever guesthouse you recommend. Please make my reservation for 3 people, 5 nights, starting Thursday. Thanks. Sentence6: Thanks. I don't need anything else. Sentence7: What is the postcode? Sentence8: I have you booked at archway house, the reference number is N8IRHQYO, any further questions? Sentence9: I'm also looking for a moderately priced guesthouse, one with a four star rating. If it doesn't have free parking, that's fine. Sentence10: Can I recommend christ's college? Sentence11: Yes could I have the address and postcode of the college please. Sentence12: i am glad i have been of help. good day Sentence13: Have a great one. Thanks again for your help. Goodbye. Sentence14: There are 79 attractions, Do you have an idea of the type you're looking for? Sentence15: I need information on places to go and see. Sentence16: Yes, I would like the type of college. I will need the address and postcode please. Sentence17: Thank you, I'm glad I could be of help. Goodbye. Sentence18: The postcode is cb23bu. Can I help you find anything else today? Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I am looking for a train that will depart from Norwich on Sunday Sentence2: Sure thing! Your table is reserved. Your reference number is OY2LNXFW . Is there anything else I can assist you with today? Sentence3: I am traveling to Cambridge and would like to find a local restaurant. I want to arrive by train at noon. Sentence4: TR4202 is the one that leaves at 7:16 and it costs 14.08 pounds per ticket. Would you like me to book it for you? Sentence5: No, that will be all. Thanks! Sentence6: Hi there, let's start with the train arrival, where would you be travelling from? Sentence7: How about 7:16? What is the price? Sentence8: The copper kettle will be fine. Yes please book a reservation. Sentence9: Goodbye and have a good day. Sentence10: Yes that would be great. I am also looking for a place to dine for the night. Do you have any suggestions? Sentence11: Is the restaurant moderately priced? If so, please book a table for 5 at 18:00 and send me the reference number. Sentence12: My recommendation would be the Ugly Duckling, a Chinese restaurant in the centre of town. It is located at 12 St. Johns Street City Centre. Sentence13: No, I'm sorry the ugly duckling is in the expensive price range. The copper kettle serves british food and is moderately priced. Would you like a reservation for it? Sentence14: There are trains every hour on the :16 that will get you there by noon, beginning at 5:16. Which would you prefer? Question: Who has spoken the sentence 12? (A) User (B) System

A:
Answer: (A) User
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