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: How about the lucky star, a nice chinese place in the south Sentence2: enjoy your meal? Sentence3: The address is Cambridge Leisure Park Clifton Way Cherry Hinton. Sentence4: That is all, thank you, goodbye. Sentence5: Can you please recommend an inexpensive restaurant in the South part of town? Sentence6: OK. What is the address? Sentence7: What is the phone number? Sentence8: Yes, the Lucky Star is both cheap and in the south part of town. Sentence9: Is it cheap and in the south? Sentence10: The phone number for the Lucky Star is 01223 244277. Is there anything I can help you with? Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System