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: Enjoy your day. Good bye. Sentence2: The address is colville road, cherry hinton. Sentence3: That is all I need, thank you. Sentence4: Sure, I can get you aboard a 15:21 arriving at 17:06. Would you like me to book a seat aboard TR9839? Sentence5: Sounds good. What is the postcode, please? Sentence6: You're welcome! Have a great day! Sentence7: Of course. The Cherry Hinton Village Centre has multiple sports in the east end of town. Sentence8: There are quite a few running all day to many different stations. Where would you like to go? Sentence9: I need a train leaving cambridge on thursday. Sentence10: I would like to go to Leicester and get there by 18:45 Sentence11: The postcode is cb19ej. Is there anything else I can help you with? Sentence12: Good bye. Sentence13: Thank you for using our service. have a good day! Sentence14: Oh wait! Before you go, can you give me some information on the cherry hinton village centre? Sentence15: Yes, may I have their address, please? Sentence16: Not right now. Thanks for the information though! Have a great day! Goodbye. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: No, that's all the information I need. Thanks! Sentence2: You can reach them by phone at 01223312598. Anything else I can help with? Sentence3: Booking was successful. Reference number is : T212RFL5 . Sentence4: Yes, Gourmet Burger Kitchen has North American cuisine and is expensive. It is located in the City Centre. Sentence5: That sound perfect. Could I make a booking for 6 people? Sentence6: I need help finding a guesthouse to stay at. Sentence7: I'd like the east part of town please. Sentence8: Ok great, have a wonderful day! Sentence9: Do you know of a restaurant by the name of gourmet burger kitchen? Sentence10: Of course! What day and how many nights? Sentence11: can you tell me the phone number please Sentence12: Warkworth House is a great place. They are rated 4 stars, moderately priced and offer free parking and internet. Sentence13: How many days will you be staying? Sentence14: I have a number of different guesthouses available. Do you want to stay in a particular part of town? Sentence15: I'll be starting my stay on this coming Sunday. Sentence16: 5 nights please. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: There are 2 the latest train arrives at 08:08 will that be ok? Sentence2: There are 4 Asian restaurants in the centre. What price range are you looking for? Sentence3: That works. Can you tell me the train ID, price, and travel time for that train arriving at 8:08? Sentence4: You're welcome, have a nice day. Sentence5: The train should depart from london kings cross and should go to cambridge Sentence6: Sure, how about dojo noodle bar? Sentence7: No, I'm sure I'll be able to just deal with it at the station. Thanks for everything! Sentence8: Thanks. I need a train for the same day but it needs to arrive by 09:30. Sentence9: Sure. Where are you departing from and where do you need to go? Sentence10: The train ID is TR4016. Each ticket costs 23.60 pounds each. And the travel time is 51 minutes. Can I book you any tickets? Sentence11: I'm looking for moderately priced restaurants. Sentence12: I am looking for a restaurant in the center that serves asian oriental food. Sentence13: That sounds good. Can I get a table for 6 on Thursday at 20:00? Sentence14: You're reference number is W3BAE5PR . Is there anything else I can help you with? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User