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: Cambridge artworks is wonderful! They are located at 5 greens road cb13ef. There phone number is 01223902168. Sentence2: Yes, there are 4 museums. Three are free and one has a 5 pound entrance fee. Are you looking for a gallery? Sentence3: What do you recommend? Sentence4: Can you help me find a place to go in the east? Sentence5: Thank you. That's all I needed. Sentence6: I'm also looking for a place to eat. I don't mind where, but I want an expensive chinese place. Sentence7: Ok. I booked a taxi for you. It is a blue audi and the contact number is 07155610417. Sentence8: You're welcome, goodbye! Sentence9: A recommendation would be fine. Can I get the area they're in and post code? Sentence10: I'd also like to book a taxi between the two places. I'd like to leave the restaurant by 2:30 Sentence11: There are 9 options that fit your criteria. Would you like a recommendation or would you like to narrow it down further? Sentence12: We have 5 very nice attractions in the east, do you have an idea of type of activity that would best match your needs? Sentence13: I recommend yu garden. It is located in the east. The address is 529 Newmarket Road Fen Ditton. Postcode cb58pa. Sentence14: Is there a museum I could go to on that side of town? If so, please provide phone number, address, and postcode. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes please book it for one person for 2 nights starting friday. Sentence2: Sure. Your booking was successful and I have a reference number for you. It is IBDDDIAJ . Sentence3: Thank you for using our service today. Sentence4: I'm looking to get some info on a hotel called cityroomz. Sentence5: Thank you very much for your help. Have a great day. Sentence6: I've found it, would you like me to book it for you? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Ok I have found the hotel. Would you like to book a room? Sentence2: Great, yes please. There will be 7 of us arriving on Wednesday. We'd like to stay for 4 nights. Sentence3: I'm looking for a hotel called avalon. Sentence4: You reservation was booked. The reference number is KB5QHVIU . Do you need help with anything else? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System