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: There are 5 expensive Indian restaurants available in the west. Would you like me to book one of those for you? Sentence2: Can you help me find and expensive restaurant in the west? Sentence3: I would like to eat at an indian restaurant please. Sentence4: You are welcome. Thank you for calling Cambridge TownInfo Centre. Good bye. Sentence5: Yes, please choose one and book it for 6 people at 13:30 on Thursday. Sentence6: We have nine. What sort of cuisine would you like? Sentence7: No, that's it for today. Thank you for all your help. Good bye. Sentence8: Ok. I was able to book cocum on thursday at 13:30 for 6 people. Your reference number is LTZ2TPIA . Can I help you with anything else? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, in the South, I am also looking for Romanian food. Sentence2: Sorry I don't have anything for that either. Sentence3: Can you try chinese? Sentence4: What is the address for the museum? Sentence5: You are booked at Nando's, a cheap portuguese restaurant in the south. Your reference number is ZS1PDFZA . Sentence6: Sorry I don't have anything for that either. Sentence7: Same area and price, but portuguese, anything for that? Sentence8: Does location matter? Sentence9: You choose as long as it is cheap. Could you book a table for 7 people at 15:45 on Wednesday? Sentence10: I found only the Byard Art musuem in the south. There's no entry fee. Phone number, 01223464646. Sentence11: You're welcome, let me know if I can assist with anything else. Sentence12: I need a place to eat that is cheap. Sentence13: There are no restaurants that meet what you're looking for. Is there anything else you'd like to try? Sentence14: Great! Thanks. Have a good night. Bye. Sentence15: it is in the north address is 14 king's parade and free admittance Sentence16: Are there any museums close to restaurant? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No I just need to make sure I get there by 15:00. I will need the train ID and departure time please. Sentence2: Yes it's an Indian restaurant in the east at the moderate price range. Would you like the address and phone number? Sentence3: Hi, I'm going to be visiting soon, and I am interested in trying a restaruant called Curry Prince. Could you give me more information about it? Sentence4: I have several trains available. What is your destination and preferred time of departure and arrival? Sentence5: There is a train leaving at 13:17. Would you like me to book the train for you? Sentence6: The train should go to cambridge and should arrive by 15:00,can you book it for me ? Sentence7: Is there a time you would like to leave by? Sentence8: No problem! I got that booked for your party of five. The reference number is JVGYC33Y . Do you need anything else? Sentence9: I am also looking for a train. It should should depart from London Kings Cross and should be on the same day. Sentence10: I just need the train's departure time and ID. Sentence11: Ok I will book it for you Sentence12: No but I would like to make a booking for 5 people at 18:30 on sunday. Sentence13: OKay perfect do you think you could book that for me please? Sentence14: Okay, the TR1688 leaves at 13:17. Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User