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

Q: Sentence1: The post code is cb23dz. Sentence2: I need to arrive at 17:45. Sentence3: I will travel Tuesday. Sentence4: Thats perfect. What is the price and travel time on this train? Sentence5: I also need a train, to cambridge, I want to arrive by 17:45. Sentence6: There's a train that leaves at 13:17, want that one? Sentence7: What day do you need the train? Sentence8: Can I help you with anything else? Sentence9: Is there a time you need to leave or arrive by? Sentence10: It is 17.90 pounds and takes 60 minutes. Would you like me to book this for you? Sentence11: No thanks, just gathering information, that is all I need. Sentence12: That is all I needed today. Sentence13: Could you please provide me with the postcode. Thank you! Sentence14: As long as it arrives in Cambridge by 17:45 and departs from Broxbourne that will work. Sentence15: Glad I could help come backk if you need anything else Sentence16: I am looking for information about the museum of archaeology and anthropology. Sentence17: I have one arriving at 7:32 will this work for you? Sentence18: That museum is located over at University of Cambridge, downing street. It's free to visit. Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
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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: It is a guesthouse. Would you like more information? Sentence2: Absolutely! What day were you needing to stay? Sentence3: Your booking was successful and your reference number is JZM3JY4X . Sentence4: Do you have one in the north with free wifi? Sentence5: I need 6 people for 4 nights starting tuesday Sentence6: sure, i have six you can choose from Sentence7: I just needed that information, thank you for your help today. Sentence8: I'll be leaving from cambridge and going to london liverpool street Sentence9: No problem, have a wonderful day! Sentence10: The earliest train departs at 9:59 and arrives at 11:27 , the price is 13.28 pounds. Do you want me to book this for you? Sentence11: Can you book it for 6 people? Sentence12: What is your departure site and your destination? Sentence13: What day and time are you thinking of leaving? Sentence14: Is Hamilton Lodge a hotel or guesthouse? Sentence15: Hello! Can you please recommend a 3-star hotel? Sentence16: ok, now i need a train. Sentence17: The train should leave after 08:45 and should leave on saturday. I will need a arrival time and price Sentence18: hamilton lodge is in the north and has free wifi. Want me to book? Question: Who has spoken the sentence 14? (A) User (B) System

A:
Answer: (A) User
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