You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Example solution: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Problem: Sentence1: Thank you for choosing the Cambridge TownInfo centre. Have a great day! Sentence2: The phone number is 01223352607, and postcode is cb23nj Sentence3: Phone number and postcode, please. Sentence4: Stazione restaurant and coffee bar is in the centre of town. Sentence5: I am looking for an Italian restaurant in the expensive price range. Sentence6: Certainly, there are several expensive Italian restaurants. Would you prefer the centre or south of town? Sentence7: Thank you, that's all I need today. You've been a great help - goodbye! Sentence8: Can we do the centre of town? Question: Who has spoken the sentence 1? (A) User (B) System

Solution: Answer: (B) System