You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Can you read me the address for that location, and phone number as well? Sentence2: The address is Parkside, Cambridge. And their number is 01223358966. Sentence3: Can you locate the nearest police station please? Sentence4: You're welcome goodbye Sentence5: Thank you for your help. Sentence6: The nearest police station is in Parkside, Cambridge, CB11JG Question: Who has spoken the sentence 3? (A) User (B) System
A: 
Answer: (B) System