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: How many tickets please Sentence2: I want to go to Cambridge on Wednesday. Sentence3: I can give you all kinds of information as well as book a ticket. Where are you going and when? Sentence4: Have a great stay in town. Goodbye. Sentence5: Train TR9741 arrives at 07:52 and I have booked you for 2,here is your information:Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : U44P6DQP . Sentence6: I want you to book it for 5 nights, starting wednesday. 2 people. Sentence7: Where will you leave from? Sentence8: Sure thing, what kind of information do you need? Sentence9: Nope, that's all I need today. Thanks for all your help. Goodbye! Sentence10: Okay that booking was successful. Your reference number is 2VD26230 . Anything else I can do for you? Sentence11: I am looking for information and would appreciate the help. Can you help with a train? Sentence12: Would you like to specify a departure or arrival time? Sentence13: I would need 2 tickets. Sentence14: Can you also look up the hotel Carolina Bed and breakfast? Sentence15: I will be leaving from ely. Sentence16: I need to arrive by 08:45 Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Hi. Can you please help me find a restaurant that serves food from singapore ? I'd like it to be on the East side of town if possible. Sentence2: Thank you for using the Cambridge restaurant system. Goodbye. Sentence3: Yu Garden is located on the east part of town. Would you like the telephone and address? Sentence4: What is the address, phone number, and postcode? Sentence5: Can you help me find some Chinese food then? Sentence6: There are no restaurants serving Singaporean food on the east part of town. Sentence7: Thank you, goodbye. Sentence8: Yu Garden is located at 529 Newmarket Road Fen Ditton, C.B 5, 8 P.A, and the number is 01223 248882. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I think that is all I need, thank you. Good bye. Sentence2: I can recommend a museum for you. First, was there a particular area of town you wanted to visit? Sentence3: I am open to suggestions on the location. Sentence4: I'm looking for museums Sentence5: Booking was successful, the reference number is FDCBUD77 the table will be held for 15 minutes, anything else that I can assist with? Sentence6: I was unable to book at that time. would you like to try another time? Sentence7: I am on a tight budget so would prefer something in the cheap price range. Sentence8: The cafe jello gallery is a museum in the west of town. Sentence9: I'm happy we were able to help you today. Enjoy your time in Cambridge! Sentence10: Do you have a preference for the price range? Sentence11: Can you recommend an Italian restaurant in the centre as well? Sentence12: Yes, can you try to book at 17:45? Sentence13: zizzi cambridge is in the cheaper range, how does that sound? Sentence14: That sounds perfect. Can you book me a table for 3 on Thursday at 18:45? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System