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: looking for a train going to Cambridge. Sentence2: How about TR3350 that leaves at 05:17? Sentence3: you can book it. get me the reference number too Sentence4: I am leaving on Sunday and need to arrive by 13:00 Sentence5: Thank you for using our services. Sentence6: Thank you that is all I needed. Sentence7: W8YHJKSV is the reference number Sentence8: What day and time are you wanting to travel? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: The autumn house is a cheap guesthouse located in postcode cb58rs. The phone number is: 01223575122. Are you sure I can't help you with a reservation? Sentence2: I am unable to book you for that time. Would you like a different day? Sentence3: There are 7. Would you like to stay in a guesthouse, or a hotel? Sentence4: No thanks. I just need the price range, postcode and phone number. Sentence5: Awesome, thanks for your patience and thank you or visiting cambridge. Sentence6: I am a big fan of British food. Do you have an expensive one in the east? Sentence7: Monday just became available so I booked it before someone else does. Let me know if that won't work for you. The table will be reserved for 15 minutes. Reference number is : CAMFOFY8 Sentence8: are there any expensive restaurants? Sentence9: I need to find a place to sleep on the east side, it doesnt matter is the parking is free or not. Sentence10: How about 12:00? Sentence11: Could you try Wednesday? Sentence12: That isn't available either. Would like to try a different time of day? Sentence13: I'd recommend the Autumn House. It's a guesthouse in the east. Would you like to book a room? Sentence14: Yes the are some in the East,what type of food do you like ? Sentence15: Great!! Thank you so much. That's all I need today. Sentence16: I think a guesthouse would be more personal. Sentence17: there are no russian restaurant in the east Sentence18: The Grafton Hotel Restaurant is a British restaurant in the East area, would you like me to book it for you? Sentence19: No thank you. Could you tell me about Russian restaurants in the east? Sentence20: Yes please book it for Monday at 12:00 for 4 people please. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Are there any expensive european restaurants around? Sentence2: I found 5 expensive european restaurants. Which area of town would you like to look in? Sentence3: I would suggest train ID TR5722 which leaves at 21:59 and arrives at London Liverpool Street at 23:27. Sentence4: No thanks. I think that's all. Have a nice day. Bye. Sentence5: City Stop Restaurant, 01223363270, post code is, cb41uy,Cambridge City Football Club Milton Road Chesterton. Anything else? Sentence6: That sounds like it would work. Please make a reservation for 4 people on that train, please. Sentence7: I want to travel on Tuesday Sentence8: What times do you have available? Sentence9: i need it to go to london liverpool street Sentence10: Alright, the booking was successful, the total fee is 66.4 GBP payable at the station. Your reference number is: RLF15GH7 . Can I do anything else for you? Sentence11: Great! You're quite welcome. Goodbye! Sentence12: I also need a train leaving cambridge after 21:15. Sentence13: What is your destination? Sentence14: I don't have a preference, what do you recommend? I'll need the area, address and phone please. Sentence15: What day would you like to travel? Sentence16: I have several. Is there a time you would like to arrive by? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User