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: Yes, all of the listed entrance fees are 5 pounds. The Club Salsa is nice. Sentence2: Have fun! Goodbye! Sentence3: Club Salsa's address is 1 Station road and their phone number is 07782218745. Sentence4: No thanks. That's it. Sentence5: Location doesn't really matter. Is there an entrance fee? Sentence6: Yes, would you like to find a nightclub in the centre or south part of town? Most of them are in the centre. Sentence7: Club Salsa sounds right up my alley. Can I get the address and phone number please? Sentence8: Can you find information about nightclubs? Sentence9: You're welcome. Can I help you with anything else? Sentence10: Okay, great! Thanks for your help! Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No, that's all I needed. Thank you for your help - goodbye! Sentence2: I will take the one that arrives at 15:08. can you make me a booking for 8 people on Wednesday? I will need a reference number. Sentence3: The train should depart from Cambridge on Wednesday and headed for Stansted Airport. It should arrive by 15:15. I would also like you to make a booking for 6 people. Sentence4: I'm looking for a train. Sentence5: I have two trains that would suit you. One arrives at 14:08 and the other at 15:08. Do you have a preference? Sentence6: I have 2,828 trains with different routes, to help narrow it down, where will you be departing/arriving, and what day/time? Sentence7: It was a pleasure to assist you. Please use us again for your future needs. Have a good day. Sentence8: Sure thing! I've booked the train for 8, and your reference number is I62H3VUY . Is there anything else I can do for you today? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Sorry, no results for that search. Would you like to try a different area or price range? Sentence2: Are there any expensive restaurant that serves American, anywhere in the city? Sentence3: I am sorry, there are no restaurants that serve food from the americas either. Sentence4: Yes, please book for 4 nights on Thursday for 1 person. Sentence5: What are the expensive Chinese restaurants that are available? Sentence6: There are no expensive Chinese restaurants in the west, which would be close to your hotel. Would you like to try a different area? Sentence7: Could you double check for Chinese food? Sentence8: Would you prefer british, indian, thai or european cuisine? Sentence9: After checking again, I do have 1 that serves North American food in the centre area. Would that interest you? Sentence10: Yes it does. Shall I book? Sentence11: Your booking is complete your reference number is WYDAYXH4 they will only hold the table for 15 minutes. Sentence12: What price range and area of town are you looking for? Sentence13: That is everything. Thank you so much for your help. Sentence14: I need a place to stay. It needs to be a hotel that has free wifi. Sentence15: There are none. Would you like to change either your cuisine preference, or try a moderate? Sentence16: How many people would you like that booking for? Sentence17: It will be just me, myself and I! Sentence18: How about one that serves food from The Americas? Sentence19: The Huntingdon Marriott Hotel is on the west and is a 4 star hotel with wifi. Would you like to book a room? Sentence20: Great! Yes, I also need to find an expensive restaurant close to the hotel. Sentence21: Maybe. Does it have free parking? Sentence22: I am glad I could help you. Have a great trip. Sentence23: Is there one that happens to serve Chinese food? Sentence24: Yes please book that for one person on thursday at 12:15. Sentence25: Reference number is : 42UHJQT1 . Anything else? Sentence26: Price does not matter. I want something on the west. Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION:
Answer: (A) User