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: Will an arrival time of 22:01 work for you? Sentence2: It costs 17.90 pounds. I need to know your arrival time to determine the trainid. Sentence3: Have a nice day. Sentence4: Yes, I'll be leaving from cambridge. What's the train number and cost? Oh, and how long is the trip? Sentence5: will you be leaving cambridge? Sentence6: Where will you be traveling to? Sentence7: Yes, that would be fine. I'll need the price and travel time for that, please. Sentence8: I was able to reserve a table at Prezzo on Thursday at 16:00. The table will be reserved for 15 minutes, reference number R0Q4HL63 . Can I assist with anything else? Sentence9: No thank you that will be all Sentence10: I also would like to book a table for 3 at prezzo for 16:00 the same day I arrive or Tuesday. I need the reference number also. Sentence11: I have 2 trains going to broxbourne, do you have an arrival time preference? Sentence12: I'm looking for a train that leaves on Thursday after 21:30. Sentence13: I will be going to Broxbourne. Sentence14: i just want to leave after 21:30 Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User