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: Reference number is : 768CRNLY . Is there anything else I can assist you with? Sentence2: I'm sorry. I didn't find any matches. Sentence3: Are there any swedish places? Sentence4: Darn, alright. Can we search chinese instead then please? Sentence5: Thanks, could you book a table for 6 people on Monday at 15:15? Sentence6: Yes, there is one match. A restaurant called Yu Garden. Sentence7: No, thanks you've been great! Sentence8: Thank you very much. What is the reference number? Sentence9: I AM looking for a restaurant. The restaurant should be in the expensive price range and should be in the east. Sentence10: Do you have a specific food type that you prefer? Sentence11: Thank you very much. Have a great day. Sentence12: The reservation was successful and they will hold the table for your party for 15 minutes. Question: Who has spoken the sentence 10? (A) User (B) System
Solution:
Answer: (A) User