Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Oh dear! Parkside Police Station's phone number is 01223358966. Anything else I can do for you? Sentence2: I'm going to contact them now, thank you. Sentence3: i was robbed and need help Sentence4: Let us know if there's anything else we can do! Sentence5: The address is Parkside, Cambridge. Postcode is CB11JG Sentence6: That's great, may I have their address and postcode please? Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System