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 need help, i just been the victim of a robbery. Sentence2: You are most welcome! Sentence3: Sure, here it is: Parkside, Cambridge. Sentence4: I am not hurt but I need to get in touch with the police, can you send me the address? Sentence5: Are you hurt? Sentence6: Thank you for your help Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I am looking for Mediterranean food in the center of the city. Sentence2: I show 3 available. 2 are in the expensive range and 1 is cheap. May I book a table for you? Sentence3: Thanks for calling. You have a great day! Sentence4: I have booked you at the Shiraz Restaurant for 7 people Saturday at 15:45. Your table will be reserved for 15 minutes. Sentence5: I'd like the expensive range and I'd like to book a table for 7 people on Saturday at 15:45. Sentence6: Great. Thanks so much! Sentence7: Thank you so much. That is all I need today. Have a great evening. Sentence8: Sure. Your reference number is MSV3UPS2 . You will likely need it. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I'm sorry but there are no restaurants serving Christmas food. Can I find anything else? Sentence2: enjoy your meal, goodbye. Sentence3: i dont care Sentence4: can i have the address of them, also the price range ? Sentence5: There are three restaurants in the south part of town that serve Chinese food. What price range would you like? Sentence6: I would like a restaurant in the south part of town that serves christmas food Sentence7: I would recommend peking restaurant, which is a nice restaurant in the south . Sentence8: peking restaurant is expensive, its location is at 10 Homerton Street City Centre. Sentence9: How about Chinese food? Sentence10: thank you good bye Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System