You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Example input: 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
Example output: Answer: (A) User
Example 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
Q: Sentence1: I'm are looking for a train. The train should depart from peterborough and should leave after 10:15 Sentence2: What day would you like to depart? Sentence3: It will be Sunday, from peterborough to cambridge, I will need the price of the ticket as well. Sentence4: The closest match I have is the TR8509. It leaves at 10:19. Sentence5: It costs 13.20 pounds. Do you need any other information? Sentence6: No that is all. Thanks for your help! Sentence7: That sounds good. What is the train fare, please? Sentence8: You are welcome! Have a nice day. Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System