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: Yes, that sounds like a good choice. Can you book it for me for 3 people starting Saturday? Thanks Sentence2: I was able to book the hotel for you. The reference number is BTTS9GYC . Is there anything else I can help you with today? Sentence3: There are eight accomodations of the hotel type with free parking. What part of town do you prefer? Sentence4: I need a train from norwich to get to the hotel by 16:30. Sentence5: The Cambridge Belfry is an inexpensive, 4 star option on the west side with free wifi and free parking. Sentence6: The west, please. And can I get free wifi? Sentence7: Okay I have a train tat gets to Cambridge at 15:35. Would you like me to book that for you? Sentence8: It doesn't really matter, just need to get there by 16:30. Sentence9: I want a place to stay. Find me a hotel that includes free parking. Sentence10: I have several available. When do you want to leave? Sentence11: I would like to stay for 3 nights. Sentence12: Sure, I can do that. How many nights would you like it for? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I have 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No. I think that's all. Good day. Bye. Sentence2: Yes, I'm looking to book the hotel El Shadai starting on Thursday for 8 people and 4 nights. Sentence3: I think a museums might be nice. Can you recommend one to me? Sentence4: Thank you for contacting us. Have a nice day. Sentence5: Your booking was successful. The reference number is ERQXH3VN . Can I help with anything else? Sentence6: Can you still just recommend one please?? Sentence7: I recommend primavera it's free and located at 10 king s parade. Is there anything else I can help you with? Sentence8: Hi there! I'm looking for some kind of fun attraction in the center of town. Sentence9: We have a wide range of attractions in the center of town: achitecture, boats, cinema, colleges, museums, nightclubs, parks, swimmingpools, and theatres. Which would you enjoy? Sentence10: there are many too choose from! would you like to visit an art museum? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User