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: The hotel should be in the moderate price range and should include free wifi. Sentence2: Booking was successful. Reference number is : WJFFGVWD . Is there anything else I can help you with? Sentence3: I've found several hotels in the moderate price range. Is there a specific area of town you're looking to stay in? Sentence4: How about the Acorn Guesthouse? Free wifi and moderate price range. Sentence5: Sure, book me for 2 people for 5 nights starting on Monday? Sentence6: That will be all. good bye. Sentence7: Yes, I'm looking to stay in the north. Sentence8: I am actually looking for a hotel. Is the Acorn Guesthouse listed in that type? Sentence9: No, it is not. How about Ashley hotel? Sentence10: I'm looking for lodgings that are moderately priced. Sentence11: Good bye, enjoy your stay. Sentence12: I've found 11 possibilities for you. Would you prefer a guest house or a traditional hotel? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: No, I'm not picky. Sentence2: I need a hotel with FREE parking Sentence3: The acorn house is moderately priced, 4 stars, and in the north. Sentence4: What is your arrival date and how many days will you be staying, please? Sentence5: I am looking for a place to stay. The hotel should have a star of 4 and should be in the type of guesthouse Sentence6: Thank you goodbye Sentence7: Okay. What part of town do you want to stay in? Sentence8: How about acorn house? They have excellent reviews. Sentence9: I'm sorry I don't need a reservation. Could you just confirm the price range, postcode and what area that is in? Sentence10: Thanks so much. I won't be needing anything further today. Sentence11: You read my mind. Yes, free parking. Sentence12: Do you have a specific pricerange you are looking for? Sentence13: Any part of town as long as it includes free parking. Sentence14: Yes, if Acorn House has free parking, please book my reservation. Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: That sounds good. What is the phone number there? Sentence2: Could you help me find a museum to visit? Sentence3: The number there is 01223307402. Anything else? Sentence4: Awesome, thanks. No, that's all I need. Sentence5: Sure. I really enjoy Castle Galleries. It's conveniently located in the town centre and has free admission. Sentence6: I don't have a preference. Can you recommend me one? Sentence7: You're welcome. Enjoy your visit to Castle Galleries! Sentence8: We have 23 museums in Cambridge. Do you have a particular part of the city you'd like to go? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System