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: No thank you, goodbye. Sentence2: I'm sorry, there are no Korean restaurants in the north part of town. Can I help you find anything else? Sentence3: Thank you for using our system. Good bye Sentence4: How about any area? Sentence5: I would like a restaurant in the north part of town that serves korean food Sentence6: What is the address and price range? Sentence7: Little Seoul is at 108 Regent Street City Centre and is an expensive restaurant. Do you want the phone number? Sentence8: little seoul is in the centre and serves korean food Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I need a place to stay with free wifi. Sentence2: Location doesn't really matter as long as there's free parking available. Sentence3: Ok, I have several hotels. Any particular location? Sentence4: How about the Gonville Hotel located in the centre area of town? Sentence5: What is their postcode? Sentence6: Their postcode is cb11Iy, address gonville place, phone 0122336661 they have wifi and free parking too. Would you like me to book this for you? Sentence7: I have several available. What is your price range? Sentence8: Between $100-$300 per night. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: The phone number is 01223245151. Is there anything else I can help you with? Sentence2: No, that's everything. Thanks! Sentence3: Great, thanks again. Goodbye! Sentence4: welcome. at your service next time Sentence5: Have a great day! Sentence6: Is there a hospital near by? Sentence7: The medical center in Cambridge is called Addenbrookes Hospital. It is located at Hills Road, in postalcode CB20QQ. Sentence8: I will need their phone number also. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System