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: That sounds good. What is their phone number, address, and entrance fee? Sentence2: For the train, I am leaving Cambridge and going to Bishops Stortford. Sentence3: TR5928 leaves Cambridge at 19:29 and arrives by 20:07, making it a 38 minute trip. It costs 10.10 pounds. Do you need me to book some seats for you? Sentence4: Yes please. I would like one seat. Sentence5: Okay. I booked you one seat on TR5928. The reference number is D42F8OSX and it will cost 10.1 GBP. Sentence6: Okay, where are you headed and where are you departing from? Sentence7: Thanks for choosing to stay in our city, enjoy the trip! Sentence8: We have an entertainment venue called Whale of a Time in the west. Sentence9: Sure, the address is Unit 8, Viking Way, Bar Hill. Sentence10: Thank you for your help, that is all for now. Sentence11: looking for a train. The train should leave on tuesday and should leave after 19:00. Sentence12: First can I get the address for Whale of a Time? Sentence13: how much is admission? Sentence14: The phone number is 01954781018. Sentence15: The admission fee is not currently available, so you may want to call their box office. Sentence16: I'm looking for somewhere fun to go in the west part of town. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User