Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: book for 1 person and get me reference number Sentence2: Okay. The TR0094 meets your criteria. Would you like more information or would you like to book tickets? Sentence3: Yes, the west please. Sentence4: no thanks that is enough for today Sentence5: we have quite a few in the west, how can I help you? Sentence6: I am looking for a train leaving after 16:15 on friday. Sentence7: We have five museums in the west area. I would recommend the Lynne Strover Gallery. Would you like information on some of the other museums? Sentence8: The train should depart from cambridge and arrive at leicester. Sentence9: Where will you be traveling from and to? Sentence10: The lynne strover gallery is located at 23 high street, fen ditton, postcode cb30aq, and is free. May I help you with something else? Sentence11: Yes please. I'm looking for a good museum in town. Can you suggest one that you like? Sentence12: Okay, your ticket is booked! Reference number UYWWVHK8 . Can I be of any further help? Sentence13: You're welcome! Bye! Sentence14: Are you looking for one in a particular area? Sentence15: Can you give me the postcode, entrance fee, and address of one? Sentence16: Can you please provide me a list of museum options? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User