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: Please. I'll go with your recommendation. I'll need a room for 8 people, two nights starting sunday. Sentence2: There are many trains that fit your needs on Sunday. Do you have a departure time in mind? Sentence3: Great, thanks so much...that's all I need! Have a great day! Sentence4: Ok, what day are you traveling? Sentence5: The price is 7.84 pounds and travel time is only 47 minutes. Need me to book a ticket? Sentence6: I need a train leaving Kings Lynn and heading to Cambridge. Sentence7: I need to leave on Sunday please. Sentence8: I want to leave after 16:15. Sentence9: I booked the Acorn Guest House for you. Reference #: YM7DO6IC . Can I help you with anything else today? Sentence10: What is the total travel time and price? Sentence11: Thank you for using our system today! Sentence12: I've found seven that would work. All but one, are rated 4 stars. Would you like a recommendation? Sentence13: No thanks. I also need a guesthouse to stay in in the north. It should include free parking and I need it to be in the moderate price range. Sentence14: The first train leaving after 16:15 is TR7634 which leaves Kings Lynn at 17:11 and arrives in Cambridge by 17:58. Will this work for you? Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System