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: Thank you. May I have a street address for the police station? Sentence2: welcome. at your service next time Sentence3: Thank you goodbye Sentence4: Certainly. Their address is Parkside, Cambridge. Can I assist you further? Sentence5: I want to know where I would find the Parkside Police Station. Could you tell me? Sentence6: Their postcode is CB11JG, you can reach them at phone number 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: You're welcome. Is there anything else I can help you with? Sentence2: I am looking for a 3 star hotel to stay in. Sentence3: Thank you. What's the travel time? Sentence4: No, that is all I need. Thanks! Sentence5: I reserved Wednesday night at the University Arms Hotel for 5 people. Your reference number is GM90EY8A . Is there anything else? Sentence6: travel time is 47 minutes Sentence7: Lets try just booking it for one night. Sentence8: The hotel should be in the expensive price range. Sentence9: Okay, I've got two that fit the bill. One in the centre of town and one in the south. Do you have a preference? Sentence10: I am very sorry, but I was unable to book a reservation for you. Would you be willing to book a later day or would you be willing to have a shorter stay? Sentence11: I do, yes. I would like to stay in the center of town. I need it to fit five people, for 3 nights, starting Wednesday afternoon. Sentence12: Great! I will need 5 tickets. Sentence13: same day as my hotel booking. Sentence14: You are booked for Train Tr5556, your reference number is JA6WAOJC . Sentence15: I do have a four star hotel in the centre of town, but it is also unable to accommodate your guests for 3 days. Can you adjust your length of stay? Sentence16: Sure I will be able to book you a train, on what particular day will you want to travel? Sentence17: Can we book the other expensive 3 star hotel for one night starting on wednesday? Sentence18: I apologize. One night is not working either. There are guesthouses. Sentence19: How many tickets do you need? Sentence20: There are 6, 3 start hotels in Cambridge. Do you have a preference for the part of town it is located in? Sentence21: No trouble at all, I hope you have a wonderful stay! Sentence22: What about the 4 star hotels? Sentence23: Yes, I also need a train leaving after 18:30 from kings lynn to cambridge. Sentence24: Thank you very much. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: There are trains every hour starting at 05:40. Travel time is 163 minutes. Is there a time you want to depart or arrive by? How many people are traveling? Sentence2: Not really. What would you recommend? Sentence3: I have a 16:40 departure and the train ID is TR5349. Sentence4: Is there any particular cuisine you have in mind? Sentence5: Okay, sure. The address is 64 Cherry Hinton Road Cherry Hinton. The post code is cb17aa, and the phone number is 01223412299. Do you need anything else? Sentence6: I need the train Id. Sentence7: What information do you want in particular? Sentence8: I sure can, which stations will you be traveling between? Sentence9: Thank you so much. Goodbye. Sentence10: Taj Tandoori is a great place for Indian food. Would you like a reservation? Sentence11: Okay great I am glad I could assist you today. Sentence12: That is all I need. Sentence13: I am looking for an expensive place to eat in the South, Sentence14: What time will it arrive? Sentence15: Have a nice day. Good bye. Sentence16: I don't need a reservation yet. May I have Taj Tandoori's address, postcode, and phone number, please? Sentence17: Yes! Can you help book train tickets? Sentence18: I'm not good at maths so please give me the total travel time too. Sentence19: It will arrive in Cambridge at 19:23. Sentence20: No problem. The travel time is 163 minutes. Is there anything else I can do for you? Sentence21: I's like to depart after 16:15. I just need information, not a booking. Sentence22: I'm going to be headed to Cambridge from Birmingham New Street on Monday. Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION:
Answer: (B) System