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 also looking for a place to stay at a 4 star hotel near the restaurant. Sentence2: I was able to book a room for 5 people, 5 nights. Your reference # is 5DD52JOS . Can I help you with anything else today? Sentence3: I prefer something cheap. Sentence4: Yes, for 5 nights on the same day. I also need the reference number. Thanks! Sentence5: Lets go with charlie chan, I would like to to book a table for 5 people at 11:00 on wednesday. Sentence6: Okay, have a great day! Sentence7: Need a place to dine, chinese near centre. Sentence8: The Alexander Bed and Breakfast is cheap, would you like to book it? Sentence9: There are three options, charlie chan, rice house and golden house. Can I book you for one of those? Sentence10: Are either option cheap? Sentence11: There are two located in the same area. alexander bed and breakfast and university arms hotel? Sentence12: I think that is all I need today. Thank you for all your help. Sentence13: I have 10 places. Would you like a certain price range? Sentence14: Your booking was successful, the reference number is B1FIKA09 . Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Booking completed! Booked car type : red ford Contact number : 07059574947 Sentence2: Thats everything I needed thanks for the help! Sentence3: I'm afraid there aren't any theatres on the west side. most of our theatres are in the city centre. is there something else I can look up for you? Sentence4: Yes, I love museums. Sentence5: Yes I also need a taxi to arrive there by 18:00 from the theater. Sentence6: I'll be here any time. Sentence7: Can you find a restaurant called Rajmahal. Sentence8: There are several museums in the area. Would that interest you? Sentence9: Great, thanks. I'm also interested in attending a theatre on the west side. Sentence10: Ok are there any attractions in the west you recommend? I need a phone number for whatever you chose. Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1XCDMW6O . Sentence12: In the west if there are any there? Sentence13: Sure. It's an Indian place in the east area of town. What would you like to know about it? Sentence14: What entertainment choices are in the west? Sentence15: sorry, i couldn't find anything in the west. Sentence16: That's all I need to know. Can you reserve me a table for 3 Saturday at 18:00? Sentence17: How about the Kettle's Yard, there phone # is 01223748100 and they are on Castle Street. Admission is free too. Does this work? Sentence18: What side of town would you like to be on? Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There are five, would you like me to book you one? Sentence2: Where in the east can I find a restaurant that serves venetian food? Sentence3: You're welcome. Please let us know if there's anything else we can help you with. Sentence4: No, thanks. That's everything. Sentence5: Yes. Please try 17:00. Sentence6: Which day would you like to dine? Sentence7: Yes see if there are any venetian restaurants there Sentence8: How about indian food? Sentence9: None of the restaurants were available for that time. Would you like me to try a different time? Sentence10: It will be a party of 6. Sentence11: I prefer the east but I am open to other areas of town. Sentence12: I've booked you a table at pipasha restaurant. The table will be reserved for 15 minutes. Your Reference number is MIRO0QRD . Anything else I can help with? Sentence13: I'm sorry to trouble you but is there an expensive Indian restaurant in the east? It would be more convenient. Sentence14: No there are not. Want to try a different restaurant type? Sentence15: Yes, book one of the expensive Indian places in the east please. Sentence16: Thank you also. Could I receive the reference number for the reservation, please? Sentence17: THANKS VERY MUCH Sentence18: I would love to help! how many people? Sentence19: Do you want me to look at the center of the town? Sentence20: I'm sorry there are no results for a venetian restaurant in the east, would you like to try a different area? Sentence21: I would like to go on Monday at 18:00 please. Sentence22: There are five expensive indian places in the centre but i recommend panahar, would you like more info or a booking? Sentence23: I would like expensive. Sentence24: I have 9 restaurants in the cetre that are Indian. Do you have a price range? Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION:
Answer: (B) System