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: I want to confirm you are leaving from Cambridge. If you want to arrive in stevenage by 16:00, I recommend TR0743, leaving at 13:21 and arriving at 14:10. Sentence2: We will be leaving on Tuesday and would like to arrive by 16:00. Sentence3: I need to find a train going to Stevenage. Can you help me? Sentence4: The reference number is 4H7V2X8R . Sentence5: How about a train that leaves at 17:21? Sentence6: Yes, can I have the reference number and also a place to stay with 3 stars and fee parking? Sentence7: Thast will work,I need you to book it for 2 people and a reference number please Sentence8: What day will you travel? Question: Who has spoken the sentence 6? (A) User (B) System
Solution:
Answer: (A) User