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: Thank you. Can you book a taxi to take me there? Sentence2: Please show me where the nearest hospital is Sentence3: That's all. Thank you, good bye. Sentence4: Nevermind, I don't need a taxi. Thanks for your help. Sentence5: Thank you for using Cambridge TownInfo centre. Have a nice day! Sentence6: Yes, what time would you like the taxi to pick you up? Sentence7: What can I help you with? Sentence8: The nearest hospital is The Addenbrookes Hospital located at Hills Rd, Cambridge Postcode CB20QQ. Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System