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: You're welcome, have a great day. Sentence2: I also need a train ticket. Sentence3: Booking was successful, the total fee is 115.5 GBP payable at the station . Reference number is : U0JGF786 . Sentence4: Yes, please book for 7 people, and give me the reference number. Sentence5: Hi, I'm looking for a theater. Sentence6: ADC Theatre in the centre is nice. Would you like the address? Sentence7: The train should arrive by 19:00 and should depart from cambridge. Sentence8: I'd be happy to help you find a train. Where would you be departing from and where would we be going to? Sentence9: Not especially, could you give me a recommendation? Sentence10: What time would you like to arrive or leave? Sentence11: I have a train leaving Cambridge at 5:06 and arriving to Peterborough at 5:56. The price is 16.50 pounds per ticket, would you like me to book it? Sentence12: Yes, please. Also, what is their phone number? Sentence13: Do you have a location preference? Sentence14: Awesome, thanks a lot. That's all I needed today. Sentence15: The phone number is 01223300085 and the address is on park street, postcode cb58as Sentence16: I will be going to Peterborough from Cambridge. Hoping to leave on Monday. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Can you help me find somewhere to stay in the south? I want it to be moderately priced please. Sentence2: there are 2. one with 4 star another with 3. which one do you prefer? Sentence3: First, may I have the address for the rajmahal restaurant? Then, I want to get from the hotel to the restaurant, please. Sentence4: Either is fine but I would need to have wifi included, this is a business trip. Sentence5: How about the 4 stars one. Sentence6: Rajmahal is located at 7 Barnwell Road, Fen Ditton in the east side. I've also booked your taxi, departing by 21:00. You'll be taking a yellow VW, the number is 07875116115. Sentence7: I have many to choose from. Can you specify the area? Sentence8: thank you that will be all Sentence9: Yes, please. I would also like a taxi to leave the hotel by 21:00. Sentence10: I would like it in the south. Sentence11: Alright, and what is your destination? Sentence12: I have 2 that offer free wifi. One is rated 3 stars, the other is 4. Do you have a preference? Sentence13: Not right now. I'm also looking for a restaurant in the same price range that serves Indian food. Can you help me with that? Sentence14: It looks like there aren't any in the south. Would you like to try a different area? Sentence15: rajmahal is in the west and moderately priced, shall I book you? Sentence16: I'm glad I could assist you today. Have a good rest of the day. Sentence17: No, how about indian food? Sentence18: That would be the Aylesbray Lodge Guest House. Would you like to make a booking? Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION:
Answer: (B) System