You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: You're certainly welcome. Sentence2: Perfect, thank you. That's all I need for now. Sentence3: Please let us know if there's anything else we can do for you. Goodbye. Sentence4: I appreciate your time. Goodbye. Sentence5: I would suggest this one the cambridge belfry. Sentence6: Certainly! What information do you need to know? Sentence7: I'm looking for a moderately priced hotel in the west, and I'll need WiFi while I am there Sentence8: I am looking for information in Cambridge Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User