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, can I get a table for 4 on saturday at 15:15? Sentence2: Hi! Can you help me find a particular restaurant? Sentence3: unfortunately they are filled up for that time would you like me to reserve another time or would you like to choose another restaurant. Sentence4: Of course, there are 110 restaurants in town. Would you like me to search by restaurant name? Sentence5: The Varsity Restaurant serves international food in the center of town. Do you want me to book it for you? Sentence6: Excellent. I'll need the reference number. Sentence7: Yes, I am looking for the Varsity Restaurant. Sentence8: Yes, I will book a table for 4 on Saturday at 15:15. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Sure, what area of town would you like to stay in? Sentence2: There are entertainment attractions in the east, south, and west areas. Which would work best? Sentence3: Any area is fine Sentence4: cherry hinton hall and grounds located in the east is a very nice place to visit. Sentence5: what is your price range to narrow down on our choices Sentence6: lovell lodge has a moderate price range. is that it? Sentence7: Sounds good, I will give it a try, can I also get a place ot stay with free wifi and parking? Sentence8: I am visiting Cambridge and want to see some entertainment. Sentence9: Preferably in the north. Sentence10: There are 2 hotels with 2 stars. There are also 9 guesthouses with 0-, 3- or 4-stars. Which do you prefer? Sentence11: I think I'd choose one of the hotels. Either is fine, could you recommend one? And give me it's price range? Sentence12: Yes that will be all, thank you. Sentence13: I'm open to any price range as long as it meets everything else I need. Sentence14: you are welcome any time Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I am looking for a restaurant called Panahar. Sentence2: Great, could I get the address there? Sentence3: Perhaps I could help you find an attraction to visit while you're in town? Sentence4: Thanks so much. Let me double check my list. Sentence5: Panahar is an expensive Indian restaurant located at 8 Norfolk Street City Centre, cb12lf. Their phone number is 01223355012. Would you like to book a table? Sentence6: Corpus Christi in the centre is quite beautiful, in my opinion. Sentence7: You taxi is booked. Look for a black lexus, contact number is 07439355567. Can I help with anything else? Sentence8: we have several 3 in the west and 2 in the centre of town, any preference? Sentence9: Yes, for 5 at 11:00 on thursday Sentence10: I also need a taxi to take me between the two places. Sentence11: I have booked your reservation for 5 on thursday at 11:00. Your reference number is 2UOIVX5L . Is there anything else I can help you with? Sentence12: I believe that is all for today. I really appreciate all your help. Have a great day. goodbye Sentence13: I don't have a specific college in mind, do you mind giving me your recommendation? Which one do you think is the most beautiful? Sentence14: Sure, their address is king's parade. Do you need anything else? Sentence15: That would be great. I'm looking for a place to go in the centre. A college would be nice. Sentence16: excellent, have a great day! Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User