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 want some mexican food. Sentence2: Dojo Noodle Bar serves asian oriental food and is located in the centre of town. The price range is cheap. Sentence3: The phone number for dojo noodle bar is 01223 363471. Would you like any other information? Sentence4: I don't care. Sentence5: You're welcome. Goodbye. Sentence6: We have four Asian oriental restaurants in centre. What price range do you prefer? Sentence7: What is the phone number? Sentence8: No, thank you, that's all I need. Thank you and goodbye! Sentence9: The only listing for Mexican food is Chiquito Restaurant Bar. How else may I assist you? Sentence10: I want a restaurant in the centre and serves asian oriental food? What is the phone number? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

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: Can you give me the address and postcode for Cambridge Artworks? Sentence2: Can you go ahead and book me a room for 4 nights starting Friday? There will be a total of 6 people. Sentence3: Thank you for all your help. Goodbye. Sentence4: I'm looking for somewhere to go in the east part of town. Can you help me? Sentence5: Hi, I'm looking for a place to stay in Cambridge. Can you help me? Sentence6: Yes, of course. What area will you be staying in? Sentence7: I actually want to stay in the East, with free parking. Sentence8: No problem. Do you have any preference? Sentence9: Great, have a good one! Sentence10: There are 4 places to stay in the south. Do you have any other specifications? Sentence11: The Lensfield fits all these criteria, would you like me to book it? Sentence12: I don't really have any preferences other than I want it to be in the same area as the hotel. Sentence13: I will be staying on the southend. Sentence14: I want it to be expensive and include free parking. Sentence15: I managed to book your reservation successfully, Reference number is : FK4WK9O1 . Thank you. Sentence16: The postcode is cb13ef and the address is 5 greens road. Sentence17: Okay, well I recommend Cambridge Artworks. It's a lovely museum. Sentence18: Sure, Express by Holiday Inn Cambridge is an expensive hotel in the east with free parking. Would you like more information? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System