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: You're very welcome! Is there anything else that I can help you with today? Sentence2: That is all I will need. Thank you for your help! Sentence3: Please book for 4 people at 17:00 on Sunday Sentence4: Thank you for all your help. Sentence5: I need a restaurant. The restaurant should serve indian food and should be in the expensive price range. Sentence6: I will be departing from my house. Sentence7: Pipasha Restaurant fits all of your criteria. Would you like to book a stay? Sentence8: Yes, I'd like a taxi to take me to Pipasha Restaurant and then to Cambridge Punter. I'd like to arrive at Pipasha Restaurant by 17:00. Sentence9: There are 14 expensive indian restaurants in the city. Do you have a preference of location? Sentence10: I am also interested in attractions in the centre. Specifically, I am interested in multiple sports facilities Sentence11: Your table for 4 has been booked. The table will be reserved for 15 minutes. Your reference number is 8OZ8ZF5G . Do you need anything else? Sentence12: The Cambridge Punter looks like a good choice. Want more information? Sentence13: Actually I'll be at the Cambridge Punter, pick me up there. Sentence14: Yes.East-Side London. Sentence15: How about an attraction that has to do with boats? Sentence16: The phone number to the cambridge punter is 07807718591. Do you require assistance with anything else. Sentence17: I have none available in the centre. Would you like a different area or attraction? Sentence18: You are welcome. Please call us back if we can help you any further. Sentence19: What is the address of your house so I can book the taxi? Sentence20: I just need to know where you will be departing from at first to the restaurant. Sentence21: No problem. Your taxi is booked. The car is a red tesla and the contact number is 07610839736. Anything else I can help you with? Sentence22: Yes, can I get the phone number? Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No specific area. Sentence2: Thank you, goodbye. Sentence3: I have found no restaurants serving Christmas food in the expensive price range. Would you like a different type of food? Sentence4: phone number and address of Cambridge Lodge Restaurant please Sentence5: is there any area you prefer! Sentence6: I want to find an expensive restaurant serving christmas food. Sentence7: Thank you for using the Cambridge restaurant system. Goodbye. Sentence8: Are there European types of restaurants? Sentence9: Cambridge Lodge Restaurant is in the west part of town, at Cambridge Lodge Hotel 139 Huntingdon Road City Centre. Their phone number is 01223 355166. Sentence10: Yes, there are four: cambridge lodge restaurant, eraina, and michaelhouse cafe serve european food, with darrys cookhouse and wine shop serving modern european food Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: That would work for me. Sentence2: There are 10 in the area. Which price range would you like to narrow the results down to? Sentence3: Great! Is there anything else I can assist you with? Sentence4: What about a Chinese Restaurant? Sentence5: Um are there any chinese places to eat in that area? I want to keep my options open. Sentence6: Yes I would please. Thanks. Sentence7: I'm not really concerned with price. Which would you suggest? Sentence8: Could you give me the train ID, too? Sentence9: Would you like me to book that for you? Sentence10: Unfortunately, there are no restaurants matching your query. Shall we try a different food type perhaps? Sentence11: I would recommend the rice house, would you like reservations? Sentence12: Can I get the address to the Rice House? Sentence13: Booking was successful, the total fee is 12.8 GBP payable at the station . Reference number is : RD07CL03 . Sentence14: Rice house is cheap. The post code is cb12bd. Sentence15: Yes, can you please and send me a reference number? Thank you Sentence16: The only one in the area is called Rice House. Sentence17: I just need the address, price range, and the postcode. Sentence18: Rice house is cheap. The postcode is cb12bd and address is 88 Mill Road City Centre. Anything more today? Sentence19: What is the price range on that? And also the post code? Sentence20: The Train ID is TR9448. Is there anything else i can help you with today? Sentence21: Sure. The address is 88 Mill Road City Centre. Is that all for you today? Sentence22: Thanks, I'm all set now. Have a good day! Sentence23: Okay, your ticket has been booked! Would you like the reference number? Sentence24: I am looking for a restaurant in the centre that serves modern eclectic food. Sentence25: There is a train that leaves stevenage at 05:54 a.m on Wednesday and arrives in cambridge at 06:43 a.m. Sentence26: Cool, I will go with that, no need ot book a reservation, Ill do it later, that is everything. Sentence27: I'm looking for a train that leaves on Wednesday from Stevenage. Can you help me locate one? Sentence28: You're welcome. Have a great day! Question: Who has spoken the sentence 24? (A) User (B) System

SOLUTION:
Answer: (A) User