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, please. I need to book the train for 8 people. Sentence2: enjoy your stay in cambridge! Sentence3: TR2125 leaves a 09:01 and arrives by 10:01. Would you like a ticket? Sentence4: Thanks! I also need a train to Broxbourne on Thursday. Sentence5: I'm looking for places to go watch entertainment. Sentence6: Fantastic, thank you very much. I don't need anything further today! Sentence7: There are 5 entertainment venues in Cambridge. Do you have an area in mind? Sentence8: There are quite a few options. Do you have a preference for departure or arrival time? Sentence9: I don't mind the area. can I get the address to one of them? Sentence10: Yes I was able to book that for you and your reservation number is 648C0A9S . Sentence11: Yes, I want to depart from Cambridge any time after 8:30. Sentence12: The Funky Fun House is amazing. I think you'll love it. Their address is 8 Mercers Row, Industrial Estate. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Thank you, can I get a taxi as well? I need to leave the hotel by 16:45 and go the restaurant. Sentence2: They are located Cambridge Leisure Park Clifton Way Cherry Hinton, cb17dy. Phone: 01223412430. Sentence3: Yes of course. It is rated 4 stars, is located in the west and is in the cheap price range. Would you like me to check availability for you? Sentence4: I actually dont need a reservation. just the address, postcode and phone number please. Sentence5: There are five great restaurants that match your criteria. I highly recommend cafe uno located in the centre of town. Sentence6: Hi, do you know of a hotel called finches bed and breakfast? Sentence7: Sure, I'll get right to that. First, can I ask the day you'd like to eat there? Also, what time and how many people? Sentence8: Okay, I've booked you a taxi leaving your hotel at 16:45. Look for a blue toyota, and if you need to contact them their number is 07524587523. Sentence9: The restaurant should serve italian food and should be in the expensive price range. The restaurant should be in the south Sentence10: My favorite restaurant would fit your criteria. It's called Frankie and Bennys. Would you like me to make you reservations? Sentence11: Sure. I'd need a room for 8 people, 5 nights starting on thursday. Sentence12: You're welcome! Have a wonderful day. Sentence13: Excellent, that's all the information I need, thank you for your help! Sentence14: Yes can you please make me a reservation? Sentence15: Booking was successful. Reference number is : 6AYRAXKH . Do you need anything else? Sentence16: Yes I am looking for a restaurant in the expensive price range that serves Italian food. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: That sounds great, could you make the reservations for me there then? I will be there Sunday with 3 people and we will stay for 2 nights. Sentence2: I am sorry the acorn doesn't have a room available then, how about another hotel? Sentence3: Booked! Reference number: 2BA346MA . Sentence4: Yes, I would prefer a moderate price range. Sentence5: I'm sorry. There is still no availibility. Would you like to try a different hotel then? Sentence6: Yes, please. Sentence7: I have several hotels in the north that offer free parking. Do you have a preferred price range so that I can narrow it down for you a bit? Sentence8: Yes, same price range. Sentence9: Okay great. Thank you very much. Sentence10: No,lets try ext weekend,see if you can book it for then ? Sentence11: I want to find a place to stay in the north with free parking. Sentence12: You're welcome. Is there anything else I can help you with today? Sentence13: No problem. Have a great day. Good-Bye. Sentence14: That will be all. Thank you for your help. Sentence15: The Acorn Guest House appears to meet your Criteria. Would you like more details on this hotel? Sentence16: Hamilton Lodge has the same amenities and is right next door. Would you like me to book that property for you? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User