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: Let's go with the cheap one. I'll need a table for 7 on Sunday at 12:15 please. Sentence2: Can you try on saturday, 7 people, at 12:15 Sentence3: you're in luck I have two options for you. One is in the cheaper price range, the other is listed as moderately priced. Do you have a preference? Sentence4: Unfortunately the booking was not successful. Sentence5: Yes, you're booked for Saturday with reference number V54FG5X2 . The table will be reserved for 15 minutes. May I help with anything else? Sentence6: Thank you, goodbye! Sentence7: No, that's all I need. Thanks for your help! Sentence8: Yes I would like to find Spanish food in the center of town. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: the post code is cb41er. what day would you like the reservation for? Sentence2: You're quite welcome. Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence3: The Ashley Hotel sounds fine, can you book that for me please. Also, I need the postcode of that hotel as well. Sentence4: I'm looking for a hotel in the north side. Sentence5: Ashley Hotel and Lovell lodge are both available Sentence6: Actually, I don't need a booking. Thanks. Have a nice day. Sentence7: I have many options in the north. All are in the cheap to moderate range. Do you have any further requirements? Sentence8: I'd like a 2 star hotel with free parking. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I need to speak to the police. Sentence2: The postcode is CB11JG, and the address is Parkside, Cambridge. Anything else you need? Sentence3: Thanks. What is the postcode and address? Sentence4: The number to the police station is 01223358966. Sentence5: That is all I need today. Thank you. Sentence6: Thank you for contacting Cambridge TownInfo centre, and have a nice day. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User