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 good day. Sentence2: Yes, quite a few! There's Broughton House Gallery, the Whipple Museum of the History of Science, and more. Would you like to know more about them, or the others? Sentence3: Yes, can you book it for 3 people and get me the reference number? Sentence4: Primavera is at 10 King s parade CB2 1st, the phone number is 01233357708. What day would you like to board the train? Sentence5: Could I get the address, phone numbers, and postcodes of them please? I'm also looking for a train from cambridge to broxbourne. Sentence6: Can you find me a multiple sports attraction in the centre? Sentence7: No, actually. I am all finished. Thanks for the help. Goodbye. Sentence8: Train TR9580 departs from Cambridge at 10:01 on Sunday and arrives at Broxbourne at 11:01. Would that work for you? Sentence9: Sorry there's no multiple sports in the centre. Would you like to try a different area? Sentence10: There are 11 museums in the area. They are all free. There are several art museums, an archaelogy museum, and a science museum. Sentence11: Yes I would love some information. Sentence12: Are there any museums in the centre? Sentence13: Sunday, and it should arrive by 12:00. Sentence14: Booking was successful, the total fee is 42.96 GBP payable at the station . Reference number is : IRD8RUWO . Do you need help with anything else? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I would like a four star hotel, and I don't need free parking. Sentence2: Certainly, there are 44 attraction in the town centre, do you have a type of attraction you would like to visit? Sentence3: I don't have any in particular. What would be the highest rated attraction in that area? Sentence4: There are 32 hotels with free wifi, do you have any other things you require in a hotel? Sentence5: I am looking for places to go in the centre. Sentence6: Sounds great. Can I book 8 people for 2 nights starting Tuesday? Sentence7: there are a total of 79 attractions in Centre what type of attraction that you are looking for? Sentence8: No. That's all I needed. Thanks! Sentence9: Are there any museums available? Sentence10: Could you recommend me a hotel that is cheap? Sentence11: I would recommend the Acorn Guesthouse which is 4 stars, moderately prices and offers both free wifi and parking. Sentence12: I am looking for a hotel with free wifi. Sentence13: That sounds great. Can I get the postcode for Castle Galleries? Sentence14: Hmm, let me see...I think maybe a moderately priced 4 star hotel might be better. Do you show any availabe? Sentence15: Yes the postcode is cb23bj. Is there anything else I can help you with? Sentence16: I don't have rating information, but Castle Galleries in nice, and admission is free. Would that interest you? Sentence17: Great. Thank you for contacting Cambridge Towninfo Centre. Have a great day. Sentence18: How about a and b guest house, unless you have any other specifics. Sentence19: You are all booked at the Acorn Guest House. Your reference number is LXMFRZLR . Do you need assistance with anything else? Sentence20: How about the autumn house? It has 4 stars, is in the cheap price range and has internet. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I'd love to help! Which day were you wanting to leave? Sentence2: TR4813 leaves at 14:32 and arrive an hour later. How does that sound? Sentence3: What station do you want to leave from? Sentence4: You're welcome. Goodbye Sentence5: I'm leaving on Sunday Sentence6: i'm looking for a train to cambridge Sentence7: There are 13 colleges located in the centre. Are you looking for somewhere with free entrance or is somewhere with a fee okay too? Sentence8: Yes, I'd like to leave for cambridge after 13:30 on sunday. Sentence9: I have many trains on that day. Do you have a preferred time for leaving or arriving? Sentence10: Your booking was successful. The total fee is 100.24 GBP, which is payable at the station. Your reference number is ALFLIJMY . Is there anything else I can help you with? Sentence11: That sounds great. I'll need 7 tickets. Sentence12: I need a train from broxbourne. Sentence13: Yeah, can to tell me about colleges in the centre of town? Sentence14: That should be it for today thanks! Sentence15: Sure! I suggest Downing College. I is located on Regent Street in the postcode CB21DQ. Their phone number is 01223334860. Sentence16: it doesn't matter. could you provide the postcode, phone number, and address for one that you suggest? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User