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: No thank you that will be all Sentence2: That's perfect. Can you book for 4 people please? Sentence3: Booking was successful, the total fee is 32.32 GBP payable at the station . Reference number is : 4YOCRING . Sentence4: Is there anything else that I can assist you with today? Sentence5: I'd like Persian food. Sentence6: Thanks for using our services, have a lovely day. Sentence7: Okay how about chinese food? Sentence8: i am also looking for a train. The train should leave on sunday and should go to bishops stortford. The train should depart from cambridge and should arrive by 17:30. Sentence9: Any type is fine can you just give me the postcode of it? Sentence10: sure, what kind of cuisine are you looking for? Sentence11: I'm sorry I have no restaurants serving Persian food. Sentence12: Thank you. That is all the information I need. Sentence13: Rice House is in the center, is cheap, and post code is cb12bd. Sentence14: Okay the TR3600 leaves at 15:26 and arrives by 16:07. Sentence15: I'm hoping you can help me find a restaurant. Sentence16: There are a lot of chinese restaurants in town. Do you have a preference on area or price range? Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System