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 give me the address? Sentence2: Great, I'm glad I could help. If you think of anything else you need feel free to ask. Sentence3: The full address is Parkside, Cambridge. May I help you further? Sentence4: Hello. You can reach them at 01223358966, and they are in Parkside , postcode CB11JG. Is there anything else you need? Sentence5: No, that's good, thanks. Sentence6: can i find the nearest police station Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User