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 am sorry there is nothing that meets that criteria. Is there another type of food or area you would be interested in? Sentence2: Thanks, will you please book a table for 7 people on thursday at 13:00? Sentence3: I'm looking for a restaurant in the east. Sentence4: How about British food? Sentence5: There are nine restaurants in the east. Do you have a price range in mind? Sentence6: You are welcome. Enjoy your dinner! Sentence7: Booking was unsuccessful. can we book another day or time slot? Sentence8: Nope, that should be everything. Thank you so much for all of your help. Sentence9: Booking was successful for Thursday at 1200hrs , table for 7 at Grafton Hotel restaurant. Your Reference number is KQKTCX5Y . Is there anything else I can help you with? Sentence10: I would recommend you try Grafton Hotel Restaurant. As requested it is in the east and serves British food. Sentence11: I don't have a price range but I am looking for asian oriental cuisine. Is that possible? Sentence12: please try booking at 1200hrs and get me the reference number Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I am planning a trip in Cambridge Sentence2: I found the express by holiday inn cambridge. It is a 2 star expensive hotel free parking and internet. The address is15-17 norman way, coldhams business park. Sentence3: Where will you be departing from? Sentence4: Thanks! i'm also looking for a place to stay in the east. Sentence5: I need to first find out what train will take me away after I am done. I need to get to Peterborough on Sunday by 21:45 Sentence6: Departing from Cambridge. I need the departure time, train ID and price. Sentence7: Okay, we've got a few options. The best looks like train TR6958 that leaves Cambridge at 20:34 and arrived in Peterborough at 21:24. The price is 13.2 pounds. Sentence8: That sounds like fun! What information can I help you find? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There are many colleges and museums in the west part of the city, what type of attraction are you interested in? Sentence2: I would also like to find a great place to visit that is located near the hotel. Do you have any recommendations? Sentence3: Is that on the west side of town? I like the 4-star guesthouse idea, but I need it to be moderately-priced and on the west side. Sentence4: Doesn't matter. As long as I receive the address and post code as well. Sentence5: Okay. Your booking was successful. The reference number is OAOWJ7FF . Can I help you with anything else today? Sentence6: I have nothing on the west side can I check another area? Sentence7: I would suggest Magdalene College. It is located on Magdalene Street and the post code is cb30ag. Sentence8: Hmm. I think I should stay on the west, is there maybe a cheap option available instead? Sentence9: Okay, thank you. That's all I need. Sentence10: The finches bed and breakfast is a cheap option in this area. Sentence11: Awesome. Now please book me a taxi to go from Magdalene college to the hotel. I want to leave the college by 03:45 Sentence12: I'm looking for a place to stay, can you book that? Sentence13: You're welcome! Enjoy your time in cambridge! Sentence14: okay sold! book it for 5 nights for 2 on tuesday, and I need the ref # too please Sentence15: A grey skoda will pick you up at Magdalene College at 03:45 to take you to Finches Bed and Breakfast. The driver's contact number is 07909322670. Sentence16: Can you tell me more details? Allenball is a 4 star guesthouse for a great price. Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User