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'll take whichever one you recommend. I just need the phone number, postcode & address please. Sentence2: TR7786 will leave at 17:00, would that work for you? Sentence3: The travel time is 51 minutes. Can I help you with anything else? Sentence4: What time would you like to depart. I have anything from 5:00 to 23:00 Sentence5: Hello, can you help me find a train going to London Kings Cross? Sentence6: You're very welcome! I hope that you enjoy your time here! Thank you for contacting the Cambridge TownInfo centre. Sentence7: There are 3 restaurants that match what you're looking for, would you like me to book one for you? Sentence8: I would recommend the Ghandi. They are located at 72 Regent Street City Centre and can be reached at 01223353942, can I assist with anything else? Sentence9: I think that's everything I need. Thank you very much. Sentence10: Can I get the travel time for that as well? Sentence11: On Monday, from Cambridge. Sentence12: Yes, I apologize but can you give me the arrival time for train TR7786? Sentence13: Yes, please. Is there a restaurant with Indian food? Sentence14: Sure I can. The arrival time for that train is 17:51. Is there anything else I can do for you? Sentence15: I'd like to leave after 15:45, please. Sentence16: I want a cheap swedish restaurant in the centre, please. Sentence17: Sure! What day are you planning on leaving? Sentence18: I wasn't able to find a cheap swedish restaurant in the centre of time. Would you like me to try a different type of food? Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: What is your departure point? Sentence2: What time do you need to leave by? Sentence3: I am looking for a train to cambridge. I would like something on sunday to arrive by 18:30 Sentence4: I just want to get there at or shortly before 18:30. Sentence5: I'd like to recommend whipple museum of the history of science, at free school lane. Admission is free. Sentence6: Yes it is their full address and the postcode is cb23rh and their telephone number is 01223330906. May I help you with anything else today? Sentence7: Thank you. That is all that I need. Sentence8: i place want a place to go in the centre Sentence9: I found the perfect train! TR7771 will get you there at 18:24. Would you like me to book this for you? Sentence10: Ok, your booking is complete for 6 people. The cost is 79.19 GBP, payable at the station. The reference number is 8W0OSFM6 . Sentence11: I would like a museum in the centre please. Sentence12: What are you into? Do you like theatre? Museums? We have plenty of attractions in the centre and if you tell me what you enjoy I can recommend one Sentence13: My departure will be from Cambridge. Sentence14: Okay. Glad I could be of help. Sentence15: Is that the full address for the museum? Free School Lane? Sentence16: I need to go to Peterborough. Sentence17: Yes, please book me for 6 people. My birdwatching club is taking a trip together. Sentence18: And what is your destination city? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: No thank you but I do need a train. Sentence2: depart from cambridge at 9:00 and arrive london liverpool street on Sunday for 6 people Sentence3: I have Indian restaurants in all areas. Do you have a preference of which one? Lets do this and then we can work on the train/ Sentence4: I don't have any Polynesian, but I do have 14 Indian. What area of town would you like? Sentence5: That's all I need today. Have a great day Sentence6: Okay! From where to where? Sentence7: I have found many trains leaving from Cambridge. Can I please get a departure and arrival time, and destination? Sentence8: There are a bunch of restaurants for you! Do you have a certain price range or food type you prefer? Sentence9: Can you please recommend one and provide me with their phone number and area they're located? Sentence10: the total fee is 79.67, Reference number is : Z51SW54Y . Sentence11: I will be leaving from Cambridge. Sentence12: There are no trains leaving at 9:00. Would you be interested in the one leaving at 7:59 or 9:59? Sentence13: I can book the TR0995 which leaves Cambridge at 09:59. Shall I book it for six people? Sentence14: I just need to depart after 9:30. Sentence15: please get phone number and area.I am also looking for a train. The train should depart from Cambridge and should leave after 09:30 Sentence16: I would like it on the expensive price range please. Sentence17: I found some quite nice choices for you. Do you have a cuisine preference? Sentence18: The north part of town is fine. I need the phone number and area for the place after you find it. Sentence19: My area is flexible. What is available for an expensive indian restaurant. It can be in any area. Sentence20: Yes, that would be wonderful. Sentence21: I have the cocum located in the west at 71 Castle Street City Centre. Would you like reservations? Sentence22: Have a safe trip. Sentence23: I am sorry but there are no Indian restaurants in the North. Would you like another area? Sentence24: which side of town do you prefer? Sentence25: Hi. Can you help me find a restaurant? Sentence26: he restaurant should be in the expensive price range and should serve polynesian food. If there is no such restaurant, how about one that serves indian food. Question: Who has spoken the sentence 14? (A) User (B) System

SOLUTION:
Answer: (A) User