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

SOLUTION: Answer: (B) System

PROBLEM: 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

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: The Alpha-Milton Guesthouse is moderately priced and is in the north area. Sentence2: The reference number is 5F7YBB5M . Is there anything else I can help you with? Sentence3: Can I book 3 people for 4 nights starting on thursday? Sentence4: No thank you for your time. Sentence5: Sure. That sounds fine. Can you give me the reference number once you book that? Sentence6: I apologize, but there are no rooms available for the days you have requested. Should I look for another hotel? Sentence7: Yes, please find me another one that's available on Thursday. Sentence8: How about the Acorn guest house? It is available on Thursday. Sentence9: You.re welcome Goodbye Sentence10: Could you give me information on a hotel called alpha-milton guest house? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User