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: Okay, what time do you need to leave by? Sentence2: I need to arrive by 16:45, departure is not as important. Sentence3: I am looking for train going to cambridge please. Sentence4: Perfect. Thank you so much! Have a great day! Sentence5: I would like to leave from the birmingham new street station please. On a Saturday. Sentence6: You are quite welcome. Is there anything else I can assist you with today? Sentence7: No that was all. Thanks Sentence8: Reference number is : PA6L738Y . Sentence9: Where are you planning to depart from? Sentence10: welcome. at your service next time Sentence11: You're very welcome! Have a great day! Bye! Sentence12: Booking was successful, the total fee is 180.24 GBP payable at the station for 3 tickets. Reference number is : 0UP7SB1H . Sentence13: Sorry, I should have specified but the booking needs to be for 3 people Sentence14: Thank you for your help Sentence15: How about TR3415 that arrives at 08:23? Sentence16: you can book it please. get me the reference number too Question: Who has spoken the sentence 14? (A) User (B) System
Solution:
Answer: (A) User