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

Q: Sentence1: Of course, silly me. I'd like to travel from Cambridge to London Liverpool Street on Saturday, and I need to get there by 19:00 please. Sentence2: Allright. TR0357 departs at 09:39. Would you like me to book you tickets? Sentence3: Thanks for the help, that's all for now. Sentence4: Sure! Their number is 01223227330. Sentence5: Well, I want to leave on Saturday. You tell me the best options. Sentence6: I would like to arrive by 19:00. Sentence7: A ticket from London Liverpool Street to Cambridge is 13.28GBP. Sentence8: I also need their phone number. Sentence9: Can you tell me where you are leaving from and going to? Sentence10: what days look like the best ones to get a great deal on hotel with train ride. Sentence11: Can you help me find a train for my upcoming trip to your city? Sentence12: Absolutely, the address is 15-19 Trumpington Street. Is there anything else I can assist you with today? Sentence13: Ok, I'll have to speak with my friend to see if that price is acceptable. Can I please get the address to the restaurant Hotel Du Vin and Bistro? Sentence14: There are 202 options that day! Do you know what time you want to leave or arrive? Sentence15: Can you give me the ticket price? Sentence16: I hope you have a good trip. Have a nice day. Goedbye Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: How about Caffe Uno, they are in the centre area. Their address is 32 Bridge Street City Centre and their phone number is 01223 448620. Sentence2: Perfect, thank you! Sentence3: I'm sorry, but I cannot find any expensive Lebanese restaurants. Sentence4: Thank you. Good bye Sentence5: Hello, I am looking for an expensive restaurant that serves Lebanese food. Sentence6: Can I get the address, phone number, and area of an Italian restaurant? Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I have many options. what area would you like to be in ? Sentence2: I found 44 things. what about all saints church? Sentence3: There are 2 hotels in the west and one in the centre. the one in the centre is cheap and the other two are expensive. Sentence4: I really have to go now. I'm going to be late for work. Thanks for the help. Goodbye. Sentence5: I have the Allenbell, East area, cheap price and a guesthouse. Shall I book that? Sentence6: What type of attractions are in the centre? Sentence7: Well I would like a 4-star place with free wifi, if possible. Sentence8: that is all for now thatk you. Sentence9: Most of the accommodations in Cambridge are guesthouses, so I'm sure we can find something for you. Do you have a certain area or price range in mind? Sentence10: It doesn't matter what area. I'll need free wifi. I need to book for 5 people for 2 nights starting Monday. I'll need the reference number please. Sentence11: I have found 18 guesthouses that would work. Perhaps we can narrow this down. What part of town would you like to stay in? Sentence12: Can we make that a hotel instead? Sentence13: Yes go ahead and book it for 5 people and two nights starting this Monday. Sentence14: Not really. What's your recommendation? Sentence15: That sounds cool! Can I get their address, postcode, and entrance fee? Sentence16: Okay, thanks! Are they both 4-star? Sentence17: I'd also like to find a guesthouse to stay in. Sentence18: Booking was successful. Reference number is : BD7V5LON . Sentence19: enjoy your stay Sentence20: They are all 4 star. Do you have a price preference? Sentence21: thank you again Sentence22: you are welcome Sentence23: The address is jesus lane, the post code is cb58bs, and it's free to enter. Is there anything else? Sentence24: thanks for using our services Sentence25: I'm sorry, I haven't been clear. I am looking for a guesthouse, not a hotel. Is there a 4-star guesthouse with free wifi? Sentence26: How about price. Is there a certain range you want to stay in? Question: Who has spoken the sentence 6? (A) User (B) System

A:
Answer: (A) User
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