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: You're welcome. Goodbye! Sentence2: Sure! Can you book a table for 8 people at 17:30 on Friday? Sentence3: Thank you. That's all I need right now. Bye. Sentence4: No. Choose one for me. Sentence5: There are a total of 14 different expensive Indian restaurants located throughout the city. Is there a particular area of town you would like to eat in? Sentence6: I'd like you to tell me about great Indian restaurants in the area. It's okay if they are expensive. Sentence7: Curry garden has good reviews, would you like to book there? Sentence8: Sure. Your reference number is QLMRQ3H2 . Anything else? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Yes, and their phone number is 01223363682. Is there anything else I can help you with? Sentence2: Do they have free parking, and what is their phone number? Sentence3: Yes I can confirm that Warkworth house has internet, can I help with anything else? Sentence4: Can you tell me if warkworth house hotel has wifi. Sentence5: Sure. Glad to help. Sentence6: No, that's all I need, thank you. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, please along with the phone number and the post code. Thanks. Sentence2: It's located at the Grafton Hotel restaurant. The phone number is 01223 241387, and the postal code is C.B 5, 8 P.A. Sentence3: There is one british restaurant in the east part of town called grafton hotel restaurant. Would you like the phone number? Sentence4: I would like a restaurant in the east part of town that serves british food Sentence5: Wonderful, thank you. Sentence6: No problem, have a good time. Good bye. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User