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: Sure, what will your arrival station be? Sentence2: Thank you! What kinds of restaurants are available? Sentence3: Yes, please. For Friday. 3 people at 16:30. Sentence4: Oh thank you so much. I also need a train from Bishops Stortford, can you help with that? Sentence5: Your welcome, Have a nice day. Sentence6: sure, i have 9 options for you Sentence7: Sure. The Graffiti is a restaurant that serves British food. The phone number is 01223277977. Would you like to make a booking? Sentence8: It is a total time of 38 minutes for the trip. Anything else that I can assist with? Sentence9: The departure time is 09:29. Is there anything else that I can help you with today? Sentence10: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 86G11ZVP . Sentence11: I will be heading into Cambridge. I will need it for Friday arriving by 12:00. Sentence12: Are there any expensive places to dine in the West? Sentence13: No that's ok. I just need the travel time. Sentence14: TR2083 will arrive at 10:07. Want to book? Sentence15: Nothing else today. Thanks so much for your help. Bye. Sentence16: Yeah, can you confirm the time I need to be at the station? Sentence17: I see british, european, and indian available. Sentence18: Can you tell me about one of the restaurants that serves British cuisine? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I see there is a train on Friday that leaves leicester at 14:09 to Cambridge, could you book me a ticket for this train? Sentence2: I have 9 restaurants in that area. May I ask what your budget for lunch is? Sentence3: I have a 12:09 that arrives at 13:54. Would that do for you? Sentence4: The duration of the trip is 105 minutes. Have a great day! Sentence5: Yes, the gandhi is in the cheap price range. Their address is 72 Regent Street City Centre. Would you like me to book a table for you? Sentence6: Hi there, I'm trying to find a train that leaves from Leicester but it must be after 11:15. Can you help me book a ticket? Sentence7: I just need the train ID please. Sentence8: There are three cheap resturants int hat area, kohinoor, the gandhi, and mahal of cambridge. Sentence9: I think that is all for now. Sentence10: Did you only need one ticket? Sentence11: The train ID is TR6247, would you like to book a seat? Sentence12: The train ID is TR8882. Can I help you with anything else? Sentence13: No thank you, their information is enough at this time. Do they have a phone number? Sentence14: The Ghandi sounds nice. Can I get their address? And they are a cheap restaurant, right? Sentence15: Please book me a ticket for that train. Sentence16: Yes, their phone number is 01223353942. Is there anything else I can help you with today? Sentence17: Yes, that would be fine. Could I get the train ID? Sentence18: I need a train from leicester on thursday and should leave after 11:15. Sentence19: No thank you. That's not necessary. Can you help me find an indian restaurant in the centre of town? Sentence20: Nothing expensive please. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: How many tickets do you need? Sentence2: Booking was successful. The table will be reserved for 15 minutes. Reference number is : LLBY85ZO . Do you need anything else? Sentence3: Hello, I'd like some information on a train going to leicester. Sentence4: I will need 7 tickets. Sentence5: Train TR0776 arrives in Leicester at 20:06. It departs Cambridge at 18:21. Would you like to book this? Sentence6: Yes can you please and send me the reference number. Sentence7: I need to arrive by 20:45 Sentence8: Reference number is : XCUCXU2M . Will you need any more help? Sentence9: I need to travel on Tuesday. Can I get the Train ID and travel time? Thank you so much! Sentence10: I will need a restaurant for 7 people at 12:45 on the same day at graffiti. Sentence11: no that's all thanks a lot Sentence12: Almost there, Ive got the time and route in, but never got a date, what day will you need this? Sentence13: Happy to help. Goodbye. Sentence14: Do you know when you will be traveling? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User