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: We have three places that serve international cuisine that you should like. Do you prefer East or Centre? Sentence2: Yes, that would be great. Can you book a table for 4 people at 11:30 on Sunday? Thanks Sentence3: Can you help me find a corsica restaurant? Sentence4: I also need a train that will arrive by 18:15. Sentence5: TR7786 can have you there by 17:51. It costs 23.60 pounds. Sentence6: Sure, which stations are you traveling between? Sentence7: Then can you find me one that serves international food? Sentence8: The Centre is fine. I need a table for brunch on Sunday. Sentence9: I was able to book your party of 4 into Bloomsbury Restaurant on Sunday at 11:30 , Reference: 4ni28yk5 . Can I assist you further today? Sentence10: There is no restaurant serving corsica food in the town. What is another type of food you would like me to search for? Sentence11: What is the travel time? Sentence12: Goodbye, enjoy the rest of your day! Sentence13: The trip takes 51 minutes. Would you like me to book that train for you? Sentence14: I recommend the Bloomsbury Restaurant. It's located at Crowne Plaza Hotel, 20 Downing Street. It's a moderately priced restaurant. Can I book this for you? Sentence15: not now. that is all i needed. have a good day Sentence16: I'll be leaving Cambridge on Monday and I'd like to arrive to London Kings Cross by 18:15. Is there anything available? What time will it leave? Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Thanks. You too! Goodbye. Sentence2: Get back in touch if you need help in the future. Goodbye. Sentence3: I need information on trinity college Sentence4: You're welcome! Have a great day. Sentence5: Okay, I've pulled up Trinity College. What information do you need? Sentence6: No, that is all I need today. Thank you very much! Sentence7: Ok. Trinity college is a college and the address is trinity street. Anything else? Sentence8: I need to know the attraction type and address. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Sure! I'll need a booking for 5 at 18:45 on Thursday. Sentence2: Thank you! Also, can you recommend a moderately-priced vegetarian restaurant, please? Sentence3: sure, what is your destination? Sentence4: Could you tell me the price for a ticket, and the typical travel time? Sentence5: The train ride is 49 minutes and it will cost 12.80 pounds. Sentence6: I'm sorry. I'm not finding any vegetarian restaurants at all. Would you like to choose a different type of food? Sentence7: Any time. I was happy to help. Sentence8: You are doing a great job! That's all I needed. Sentence9: Okay. Your booking was successful. The reference number is MZZNA6KZ . Your table will be reserved for 15 minutes. Sentence10: Thank you for your help. Sentence11: I need a train for Thursday please. Get me one that arrives by 13:45 Sentence12: Sure! TR1661 will leave at 11:54 and arrive by 12:43. Do you require more information or do you want book now? Sentence13: I'll be heading to Cambridge. Leaving from Stevenage. Can you tell me about this? Sentence14: Ok, try the asian oriental food then. Sentence15: Ok the only one is Yippee Noodle Bar. Would you like for me to book a table? Sentence16: Thank you for using our system today! Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System