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: Ok, how about Chinese food? Still expensive and in the north please. Sentence2: I also need to book a taxi between the hotel and restaurant. I need to arrive by 19:45. Sentence3: Ok, you are booked for a 19:45 arrival time, the taxi is a white audi. Is there anything else? Sentence4: Saigon city serves Asian oriental in the north part of town. Sentence5: What time do you need to leave by? Sentence6: We want to find a restaurant that serves unusual food. Sentence7: Can you pick the best swimming pool and get me the postcode and phone number please? Sentence8: Awesome. Now can you tell me if there is a swimming pool nearby the restaurant? I love to swim after egg rolls! Sentence9: There are two in the north; Jesus Green Outdoor Pool and Kings Hedges Learner Pool. Would you like the location of either of those? Sentence10: Contact number is 07625009528 Can I help you with anything else? Sentence11: I was able to make a booking for the hotpot. You reservation number is 55CAP7FC . Sentence12: Let me have a reservation at Hotpot on Friday, thank you. Sentence13: That's pretty offensive to call Asian oriental unusual. I'm looking for a restaurant that serves food labelled as unusual. Sentence14: Ok, how many people and what time? Sentence15: I just need it to arrive by the time the restaurant was booked. Sentence16: Can I get the contact number for the taxi as well, please? Sentence17: I have no restaurants that list there food as unusual, do you have any other preferences? Sentence18: I'm going to recommend the kings hedges learner pool located at jedburgh court, kings hedges the post code is cb42xh. The phone number is 01223353248. Sentence19: 7 people for the taxi. Sentence20: 7 people at 19:45 on friday. Sentence21: No thank you. Sentence22: How many people are traveling? Sentence23: Have a nice day. Sentence24: No, just please make sure the food's unusual, located in the north and expensive. Sentence25: Do you have a particular type of food you'd like to try? Sentence26: yes, there's a place called the hotpot Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Where will you be travelling to? Sentence2: Yes but I need that to be booked for 3 people. I would like the reference number please. I also need a place to stay as well. Sentence3: Sure thing, I would suggest this one acorn guest house. Sentence4: I will be traveling to Leicester and would like to arrive before 21:15. Sentence5: I would like a 4-star guesthouse in the north in a moderate price range. Sentence6: Great can you book that for me from Sunday for 2 nights for 4 people. Sentence7: I would like to arrive by 21:15. Sentence8: When could you like to arrive by? Sentence9: Your booking was successful. Your reference number is 7ZJ4CTTG . Will that be all for today? Sentence10: Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is ABKFF3SH . What type of place are you looking for? Sentence11: I'm looking for a train that leaves from Cambridge on Tuesday. Sentence12: I have the TR8207 that will arrive by 21:06. Would you like me to book that for you? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Worth House matches your criteria. Would you like me to book that for you? Sentence2: What about Italian food? Sentence3: Sure. I'd like a reservation for Tuesday. Sentence4: That will be all, thank you for your help. Sentence5: There are no cheap korean restaurants in the area, would you like to look up a different restaurant? Sentence6: Yes, I am also looking for a cheap hotel in the same area as the restaurant. Sentence7: I suppose. Is there a room available for 2 nights, starting Sunday? Sentence8: You are quite welcome. Have a pleasant stay. Sentence9: Yes it does have to be. Sentence10: Yes please book it for four people in the three nights starting on Sunday Sentence11: I found da vinci pizzeria would you like to book a table there? Sentence12: Ok, for how many and at what time? Sentence13: I'm looking for a cheap restaurant where I can get some korean food, please. Sentence14: 18:00. Also I need the address, postcode and phone number, please. Sentence15: I'm sorry, but there are no restaurants that match your criteria. Would you care to broaden your search a bit? Sentence16: I am sorry, but I was unable to book your request, would you be able to move the starting date or have a shorter stay? Sentence17: 20 Milton Road Chesterton, cb41jy, and 01223351707. Anything else? Sentence18: Booking was successful. Reference number is : TF5T6MYF .. Anything else? Sentence19: Does it have to be cheap and located in the north as well? Sentence20: What about a cheap korean restaurant in the north? Question: Who has spoken the sentence 18? (A) User (B) System

SOLUTION:
Answer: (A) User