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: 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: Could you also get me a taxi between the two that leaves the hotel by 6:15? Sentence2: There are 11 guesthouses that fit your criteria. Do you have a preference of north, south or east? Sentence3: The address is saint andrew's street. Sentence4: the taxi is booked. it's going to be a yellow tesla. their phone number is 07606976296. Sentence5: The area doesn't matter. I'll go with whatever guesthouse you recommend. Please make my reservation for 3 people, 5 nights, starting Thursday. Thanks. Sentence6: Thanks. I don't need anything else. Sentence7: What is the postcode? Sentence8: I have you booked at archway house, the reference number is N8IRHQYO, any further questions? Sentence9: I'm also looking for a moderately priced guesthouse, one with a four star rating. If it doesn't have free parking, that's fine. Sentence10: Can I recommend christ's college? Sentence11: Yes could I have the address and postcode of the college please. Sentence12: i am glad i have been of help. good day Sentence13: Have a great one. Thanks again for your help. Goodbye. Sentence14: There are 79 attractions, Do you have an idea of the type you're looking for? Sentence15: I need information on places to go and see. Sentence16: Yes, I would like the type of college. I will need the address and postcode please. Sentence17: Thank you, I'm glad I could be of help. Goodbye. Sentence18: The postcode is cb23bu. Can I help you find anything else today? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Okay thank you! No that will be everything. Sentence2: The earliest arrival prior to that time is the TR9900 which leaves Norwich at 05:16 and arrives in Cambridge at 06:35. Would you like me to book you a seat? Sentence3: I suggest broughton house gallery located at 98 king street. Sentence4: Booking was successful, the total fee is 52.8 GBP payable at the station . Reference number is : 50KBIWYY . Is there anything else I can help you with? Sentence5: The postcode for the Broughton House Gallery is cb11ln. Is there anything else I can help you with? Sentence6: Certainly. Cambridge has many museum offerings. What area are you thinking of visiting? Sentence7: Yes, 3 seats in fact. Sentence8: Yes I need to find a train on Friday going to Cambridge from Norwich and arriving by 12:45. Sentence9: I'm looking for some museums, could you help me find more information on them? Sentence10: I'm open to visiting any area in Cambridge. Could you suggest a museum please? Sentence11: Thank you for calling today. Sentence12: What's the postcode for that? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User