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: I am looking for a train that will depart from Norwich on Sunday Sentence2: Sure thing! Your table is reserved. Your reference number is OY2LNXFW . Is there anything else I can assist you with today? Sentence3: I am traveling to Cambridge and would like to find a local restaurant. I want to arrive by train at noon. Sentence4: TR4202 is the one that leaves at 7:16 and it costs 14.08 pounds per ticket. Would you like me to book it for you? Sentence5: No, that will be all. Thanks! Sentence6: Hi there, let's start with the train arrival, where would you be travelling from? Sentence7: How about 7:16? What is the price? Sentence8: The copper kettle will be fine. Yes please book a reservation. Sentence9: Goodbye and have a good day. Sentence10: Yes that would be great. I am also looking for a place to dine for the night. Do you have any suggestions? Sentence11: Is the restaurant moderately priced? If so, please book a table for 5 at 18:00 and send me the reference number. Sentence12: My recommendation would be the Ugly Duckling, a Chinese restaurant in the centre of town. It is located at 12 St. Johns Street City Centre. Sentence13: No, I'm sorry the ugly duckling is in the expensive price range. The copper kettle serves british food and is moderately priced. Would you like a reservation for it? Sentence14: There are trains every hour on the :16 that will get you there by noon, beginning at 5:16. Which would you prefer? Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I'm leaving from Cambridge and going to Birmingham New Street. Sentence2: There appear to be hourly trains from 05:01 to 23:01. Do you know what day and time you'd like to travel? Sentence3: You are welcome. Have a great trip. Bye. Sentence4: Wednesday and it should leave after 18:00. Sentence5: Can you also direct me to some attractions in town in the east? Sentence6: Ok, I have booked you 3 seats on that train. Your reference number is MI5RMEHQ . You'll need to pay 225.3 GBP at the station. Anything else I can do? Sentence7: That sounds good. Can you book that for me for 3 people? Sentence8: I'm planning my trip there, but need to find a train for when I depart. Could you help me with that? Sentence9: The TR1766 leaves at 18:01 and arrives at Birmingham new street at 20:44. Would that be OK? Sentence10: The address is 5 greens road and the phone is 01223902168. Is there anything else that i can do for you? Sentence11: That would be perfect. Can you give me the address and the phone number? Sentence12: Sure. From where will you be departing, and what is your destination? Sentence13: No, that is all. Thanks for your help. Sentence14: Of course! There are several attractions in the east. I'd suggest Cambridge Artworks; it's a museum with free entrance. Would that work for you? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There are no belgian restaurants in the area. May I suggest Cote? They serve expensive French food and they are located in the Centre. Sentence2: There are many to choose from. I'm partial to The Varsity Restaurant myself, they serve international cuisine. Or were you in the mood for something else? Sentence3: Yes, I'm looking for a particular attraction called ballare. Sentence4: How about international food? Sentence5: I just need the post code. Thank you. Sentence6: I gave that here, what would you like to know? Sentence7: Whatever one you recommend, I just need the phone number and address. Sentence8: The Varsity is located at 35 Saint Andrews Street City Centre and their phone number is 01223356060. Can I help with anything else today? Sentence9: Okay, we've got two restaurants like that, Varsity and Bloomsburg. Do you have a preference? Sentence10: I am looking to find a place to eat in Centre please. Sentence11: Yes, that all I need, thanks. Sentence12: Thank you for using our system today! Sentence13: The postcode for Ballare is cb23na. Will that be all? Sentence14: I would like belgian food in the moderate price range. Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION:
Answer: (B) System