Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I need to find a place that serves European food to eat at. Sentence2: You're welcome. Have a lovely day. Sentence3: I'd like to depart Cambridge on Sunday sometime after 9:45. Sentence4: Where would you be going to? Sentence5: I appreciate all your help. Goodbye. Sentence6: What price range are you looking for? Sentence7: I have you booked on that train. Your confirmation numbers is NLV3A4JF . Sentence8: That sounds perfect! Can you book me 6 tickets for that train please? Sentence9: I have 11 results for european restaurants, what area would you like to dine in? Sentence10: I need one in the expensive range. Sentence11: I certainly can. Which departure and destination did you have in mind? Sentence12: Wine shop sound good. Could I have their address and postcode please? Sentence13: In the centre, sorry didn't I mention that? Sentence14: I'll be heading to Stevenage. Sentence15: I have the TR8464 train leaving at 11:21 and arriving at 12:10. Would that be good? Sentence16: Thank you so much. Can you help me book a train too? Sentence17: Their address is 40270 King Street City Centre and the post code is cb11ln. Sentence18: There are three options: eraina, michehouse cafe, and darry's cookhouse and wine shop. Which would you prefer? Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User