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

Sentence1: Thank you goodbye. Sentence2: You're welcome. You will be in good hands. Goodbye. Sentence3: There is a Parkside Police Station with a CB11JG Postcode, and its Telephone is 01223358966. Sentence4: I'm looking for a police station, I think it's called "Parkside". Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System