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 don't have a preference. Can you recommend one? Sentence2: Thank you that's all the help I need. Goodbye Sentence3: I can work on booking this for you. Sentence4: Sounds great, thanks. I am also looking for a restaurant in the Centre that serves gastropub food. Sentence5: I'm looking to visit a museum in Cambridge. Can you tell me a little about what you have? Sentence6: I would also like to book a taxi to get between the museum and the restaurant. Sentence7: I will make a booking for backstreet bistro,Booking complete here is your reference number T9TB8FBO . Sentence8: I need to arrive at the restaurant by 14:45. I'll need the contact number and car type as well please. Sentence9: Sure. Is there anything else I can assist you with today? Sentence10: It really doesn't matter money is no object. I need a table for 8 on thursday at 14:45. As long as its a gastropub in the centre of town Sentence11: Okay I have booked your taxi. The contact number is 07498867892 and the car is a blue tesla. Sentence12: Cambridge Artworks is a great place and has free entry. Their address and phone number is 5 Greens Road 01223902168. Sentence13: awesome! thanks for all the info Sentence14: There are 23 museums that match that criteria. What area should the museum be in? Sentence15: Okay, there are 3 different restaurants. What is your price range? Sentence16: Thanks for using our service today! Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Ok great! I was able to get you booked, your reference number is N4TJE8VR . Is there anything else that I can help you with? Sentence2: Yes please. There are 5 of us total and we need 4 nights in a row. Thank you. Sentence3: May I get your departure and destination information please? Sentence4: Can you verify the cost for train TR6954 for me? Sentence5: There don't seem to be any 5-star lodgings in the city. Would you like to try searching for 4 stars instead? Sentence6: I am looking for a train arriving by 9:45 on Tuesday. Sentence7: I'd like to start my stay on Tuesday, please. Sentence8: Your booking reference is NT43PSC0 . Now, if you let me know what type of hotel you are interested in, I can help you with that as well. Sentence9: TR6954 departs from Leicester at 07:09 and arrives in Cambridge at 08:54. Would you like to book this train? Sentence10: What day would like to start your stay? Sentence11: Maybe... how much does it cost? Sentence12: Yes, 4 stars would be fine. Sentence13: Nope, that'll take care of everything, thanks! Sentence14: I am going from Cambridge to Leicester. Sentence15: I'm sorry, we have that mixed up. I need to depart from leicester and go to cambridge. Do you have a train that arrives by 09:45 in cambridge? Sentence16: The acorn guest house is a 4 star hotel located in the north side. Would you like to make reservations? Sentence17: You're welcome. Have a great stay! Sentence18: TR2863 departs from Cambridge at 07:21 and arrive in Leicester by 09:06. Would you like to book this train? Sentence19: Yes I would like help with booking the train and I will also need to book a hotel. Sentence20: It costs 37.80 pounds per ticket. Sentence21: The cost for this particular train is 37.80 pounds per ticket. Would you like assistance booking tickets for this train? Sentence22: Can you help me find a 5-star room somewhere that offers free parking and wifi? Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There are several. Would you like British, Chinese, Gastropub, or Indian cuisine? Sentence2: What time would you like to leave and arrive for your taxi? Sentence3: Thank you, I also need a place to stay with free parking and free wifi. Sentence4: Book me a table of five for Tuesday at 11:30 in one that serves British cuisine. Please get me the reference number as well. Sentence5: Thank you for using Cambridge TownInfo centre. Have a great trip! Sentence6: There are 29 different hotels that fit this request. Did you need it in a certain area or did you prefer a certain price range? Sentence7: Yes, I'd also like it to be expensive and on the east side. Sentence8: I want to find an expensive restaurant in the east side. Sentence9: I need it to pick me up in time to get me to the restaurant before 11:30. Can I get a contact number and car type please? Sentence10: Yes please. I'll also need information about a taxi service as I won't have transportation on this trip. Sentence11: The car is a black lexus and the contact number is 07421870215. Sentence12: It is a hotel-hotel. Its named holiday "inn" and I completely understand, it can be confusing. Would you like me to book you a room? Sentence13: It sounds like you're looking for Express by Holiday Inn Cambridge then! Sentence14: Great thanks! That's all I need. Sentence15: I was able to successfully book a table for 5 at the Grafton Hotel restaurant at 11:30 on Tuesday, your reference number is 701570FS . Sentence16: That would work well what type of hotel is it? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION:
Answer: (B) System