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

Q: Sentence1: Which day would you like to leave? Sentence2: i want to leave on friday Sentence3: I'm looking for a decent place to dine in Cambridge please. Sentence4: Their phone number is 01223324033 and address is Regent Street City Centre. Was there anyting else I could help you with? Sentence5: I would like to book a train to ely, from cambridge. Sentence6: The train should leave after 11:15. Thanks Sentence7: We have 15 italian places Cambridge, do you have and needs as far as area and pricing? Sentence8: how about canapes food? Sentence9: What type of cuisine are you interested in? Sentence10: Sorry, we don't have any places serving canapes food. Would you like to search for something else? Sentence11: Could you please try for Italian ? Sentence12: No thanks. I just need the address, postcode, and phone number for this restaurant please. Sentence13: There are 10 trains that meet your criteria. Do you have a departure time or arrival time in mind? Sentence14: We have a great place on Regent Street City Centre called Pizza Express that you are sure to love. Would you like me to make reservations for you? Sentence15: Train TR0767 leaves Cambridge at 11:50 and arrives at ely at 12:07. The fare is 4.40 pounds. The travel time is 17 minutes. Do you want me to book this? Sentence16: Have a lovely day, goodbye! Sentence17: no thats all the information i needed. thanks Sentence18: Lets try for a moderately priced place in the centre. Question: Who has spoken the sentence 17? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: No thank you, goodbye. Sentence2: I'm sorry, there are no Korean restaurants in the north part of town. Can I help you find anything else? Sentence3: Thank you for using our system. Good bye Sentence4: How about any area? Sentence5: I would like a restaurant in the north part of town that serves korean food Sentence6: What is the address and price range? Sentence7: Little Seoul is at 108 Regent Street City Centre and is an expensive restaurant. Do you want the phone number? Sentence8: little seoul is in the centre and serves korean food Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Can you be more specific on the travel time. I have a tight schedule to keep. Can you tell me in minutes? Sentence2: Thank you. Can you make the booking? Sentence3: Okay, is there anything else I can help you with today? Sentence4: Yes I can make the booking for you. How many people will be traveling? Sentence5: There are 3 options available to you. Is there a specific price range you are looking for? Sentence6: The exact travel time is 105 minutes. Sentence7: I'll be leaving from Cambridge on Tuesday. I'd like to get to Leicester by 18:00 please. Sentence8: TR0469 arrives by 17:06, would you like me to book you passage? Sentence9: Sure thing where will you be traveling from, and what day and time will you be traveling? Sentence10: Not yet. What is the price and travel time? Sentence11: Ok. Just let us know if you need anything else. Have a great day! Sentence12: No thank you. I also need to find a train going to Leicester. Sentence13: The price for that one is 37.80 pounds and the travel time is a little under 2 hours Sentence14: You know what, don't worry about it, the trains are never full, I'll just grab a ticket at the station. Sentence15: I think that was all the information I needed for now. Sentence16: How about the moderately priced Anatolia? The address is 30 Bridge Street, cb21uj. Would you like me to book that? Sentence17: No,could you recommend one and give me the address, price range, and postcode. Sentence18: Are there any Turkish restaurant in the Centre location? Question: Who has spoken the sentence 11? (A) User (B) System

A:
Answer: (B) System
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