Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: There is the Hobsons House. It is nice and is a 3 star guesthouse. Sentence2: Can you help me find a moderately priced place to stay? Sentence3: Sure. What area would you like to stay in? Sentence4: I'd like to stay on the westside, at a place with free parking and WiFi. Question: Who has spoken the sentence 3? (A) User (B) System

Answer: (B) System