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

Problem: Sentence1: Train TR4373 arrives in Cambridge at 12:23. Would you like me to book that for you? Sentence2: Would you be interested in one of the 4 theatres located in the centre? Sentence3: No, no ticket needed right now. I do need the price and travel time, though. Sentence4: There are 1,414 trains to Cambridge. Where would you like to depart from? Sentence5: It is 75.10 pounds and takes 163 minutes. Sentence6: I am looking for a train that is going to Cambridge. Sentence7: I would like to depart from Birmingham New Street on Tuesday. Sentence8: Great, the theatres are Adc Theatre, Cambridge Arts Theatre, mumford theatre, and the cambridge corn exchange. Does any one of those in particular interest you? Sentence9: Also, can you please provide me with attractions in the centre? Sentence10: I think that will be everything I needed. Thanks for your help! Sentence11: Yes that would be fine. Sentence12: There are 19 trains leaving Birmingham New Street and arriving at Cambridge on Tuesday. Did you have a specific departure or arrival time? Sentence13: I would like to arrive by 19:30 Sentence14: Thanks for using our system! Question: Who has spoken the sentence 9? (A) User (B) System
Solution: Answer: (B) System