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: That sounds great! Could you give me the arrival time, travel time, and train ID as well? Sentence2: Okay, that's great! Thank you very much! That's all I needed. Sentence3: Sure. It's train TR8265, arrives at 10:43 in Cambridge and has a duration of 49 minutes. Can I book you seat? Sentence4: There are many expensive restaurants in the city. Do you have an area or type of cuisine that you'd prefer? Sentence5: I would recommend bedouin, address is 100 Mill Road City Centre,phone is 01223367660 and post code is cb12bd. Sentence6: No, that would be all. Thanks. Bye. Sentence7: Hey there, I need a train from stevenage that leaves after 09:45. Can you help? Sentence8: Alright, thanks for using Cambridge TownInfo centre! Have a great day! Sentence9: Maybe later. I am also looking for an expensive restaurant. Sentence10: We are going to cambridge and would like to leave on monday after 09:45. Thanks for your help. Sentence11: I would be happy to help with your request, what is your destination and what day will you be leaving? Sentence12: Is there anything else I can help you with today? Sentence13: Would a train departing at 09:54 work for you? Sentence14: No, I'll take your recommendation. I do need postcode, address and phone number, please. Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System