Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: The police station is located at: Parkside, Cambridge. The number is 01223358966. Can I help with anything else? Sentence2: I am looking for the nearest police station. Sentence3: Thank you goodbye Sentence4: You are most welcome! Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System