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: No that will be all! Thank you very much! Sentence2: Done! Your table will be reserved for 15 minutes. Your reference number is 5XFZM2KU . Is there anything else that I can help you with? Sentence3: Sure, they are all expensive though. I love Tandoori Palace located at 68 Histon Road Chesterton. Sentence4: Is there anything else you need? Sentence5: They do not have an entrance fee listed, but you can always call and find out. Sentence6: Thank you for using our services. Have a great day! Sentence7: Okay, thank you for your help! Sentence8: Nevermind - I don't need the taxis after all. Can you help me find a place called tenpin, instead? Sentence9: Can you book a reservation for 8 at 14:45 on Friday? Sentence10: Can you provide me with the telephone number and book two taxi cabs to the restaurant Sentence11: Can you tell me what their entrance fee is? Sentence12: is there anything else i can help you with? Sentence13: Tandoori Palace's phone number is 01223506055. Please give me the taxi departure day and time and I'll be more than happy to book one for you Sentence14: Can you help me find a indian restaurant in the west? Sentence15: Tenpin is an entertainment venue in the south. They are located at Cambridge Leisure Park, Clifton Way. Their postcode is cb17dy. Their phone number is 08715501010. Sentence16: That sounds perfect! Thank you. Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

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: I'm looking for a train. I need to leave from Cambridge on Tuesday and go to Leicester. Sentence2: I was able to make a reservation for Saturday night at University Arms Hotel for 6 people. Your reference number is 7XXHIROP . Is there anything else you need today? Sentence3: Do you have a time that you would like to leave by or arrive by? Sentence4: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence5: Which day would you like to check in? Sentence6: TR2950 will arrive at 08:06, would that work for you? Sentence7: Actually, they both do offer free wifi and free parking. Alexander bed and breakfast is a guesthouse and the University Arms hotel is a hotel type. Do you have preference? Sentence8: I'd prefer a hotel. Can you book that for 6 people and 3 nights? Sentence9: Yes, can I get 6 tickets please and I'll need the reference number too Sentence10: the total fee is 226.8 GBP payable at the station and the reference number is : XYAOCTIY . May i help you with anything else. Sentence11: I am also looking for a place to stay that has 4 stars and is in the centre. Sentence12: Yes, I need to arrive by 8:45. Sentence13: Yes, could you try for a stay of 1 night? Sentence14: That is all I need. Thank you for your help! Goodbye! Sentence15: Starting saturday, either place is fine if available. Sentence16: We have two choices, alexander bed and breakfast which is in the cheap prince range and university arms hotel whic is in this expensive price range. Sentence17: The booking did not go through, can you book another day or a shorter stay? Sentence18: I do need free wifi included, so whichever of those has wifi is the best! Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User