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: The phone number is 01223334200. I can also tell you that there is no entrance fee and its located in centre on saint andrew's street. Sentence2: Perfect. I'll need 2 tickets. Sentence3: Great, can you give me the reference number. Also can you give me some information on emmanuel college please? Sentence4: I have to get to cambridge from london kings cross for a family matter, can you help me book a train? Sentence5: Your reference number is : TD9C5XQU . What else can I do for you today? Sentence6: Yes, I can help. What day do you need to leave? Sentence7: TR1681 leaves at 19:17 and arrives 51 minutes later. How is that? Sentence8: I would like to leave on Sunday. Sentence9: Can you give me the phone number, entrance fee, and address of emmanuel college, please? Sentence10: I would like to leave after 17:15 on sunday. Sentence11: I will book that for you now. Sentence12: Is there a certain time you want to leave after or arrive by? Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User