Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
See one example below:
Problem: 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
Solution: Answer: (A) User
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: Yes, and could you also give me their phone number? Sentence2: I would like an expensive restaurant in the east part of town Sentence3: Thank you goodbye. Sentence4: What type of food would you like? British, Indian, Gastropub, or Chinese? Sentence5: Yu Garden is a Chinese restaurant located in the east part of town and is in the expensive price range. Would you like their address? Sentence6: yu garden is located at 529 newmarket road fen ditton and its phone number is 01223248882. Can I help you with anything else? Sentence7: Goodbye. Sentence8: It doesn't matter. Question: Who has spoken the sentence 2? (A) User (B) System
Solution:
Answer: (A) User