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: Okay, great. Have a safe trip. Goodbye. Sentence2: Yes please. I need it booked for 1 person for 2 nights starting tuesday. Can i get a reference number? Sentence3: I have found the allenbell guesthouse. It meets all of your criteria, is in the cheap price range, and provides internet and parking. Would you like me to book it? Sentence4: Thank you, that is it for today. Goodbye. Sentence5: The reference number for your booking is KEBFTR7I . Can I do anything else for you? Sentence6: I need a place with rated 4 stars in the east. Can you help me find one that like a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I meed a moderately priced place to stay. Sentence2: There are 3 guesthouses that meet those requirements I recommend warkworth house. Would you like me to book it for you? Sentence3: I am also looking for a train. Sentence4: I have a train that arrives in cambridge by 18:07. It would be helpful to know your destination so I can serve you better. Sentence5: The train should leave from bishops stortford and go to cambridge and arrive by 19:30. Sentence6: I'll be happy to help you with that. What day would you like to travel and where would you like to depart from? Sentence7: I would like to stay in the east. It should have a 4 stars and I would also like free wifi please. Sentence8: Booking was successful. Reference number is : FGTT1OBZ . Is there anything else I can help you with today? Sentence9: thank you i think you should prepare before departure thank you Sentence10: I have found a list of hotels with a moderate price range, what area, type, star of the hotel would you like? Sentence11: I need to leave from Bishops Stortford the same day I arrive at the hotel. I need to arrive close to 19:30. Sentence12: Yes, please! 5 of us will be staying for 3 nights, and we're arriving on Friday. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: The acorn guest house will do nicely. I would like to book 4 nights starting Monday accommodating 4 guests. I will need the reference number. Sentence2: I have 38 trains that meet your criteria. Did you have a preferred departure time? Sentence3: TR9063 leaves at 13:48. Would you like to book it? The next departure is at 14:19. Sentence4: I need to book a train for Monday. Sentence5: Ok, thanks for that information. I would also need assistance finding a hotel in the north part of town. Sentence6: Glad I could help you today. Enjoy your stay in Cambridge! Sentence7: I would like to depart from Peterborough going to Cambridge. Sentence8: There are 13 hotels in the north of town. Do you have a price range or star preference? Sentence9: Possibly, what is the price, arrival time, and travel time for TR9063? Sentence10: Ideally it should leave after 13:45. Sentence11: Is it expensive, though? Sentence12: Where are you departing from? Sentence13: TR9063 arrives in Cambridge at 14:38. Total travel time is 50 minutes, and the fee is 16.50 GBP per ticket. Sentence14: The acorn guest house is a four star hotel. Would you like to try that one? Sentence15: The booking is successful, reference number is Y2ATA7D2 . Sentence16: Thank you very much. I think that is everything I need then. Sentence17: The acorn guest house is moderately priced, but there are two more inexpensive guesthouses available if you would prefer. Sentence18: I would like to stay in an expensive hotel, I know that for sure. I am not too concerned about missing out on amenities such as free parking and WiFi. Question: Who has spoken the sentence 14? (A) User (B) System

SOLUTION:
Answer: (A) User