Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Well, gee, so you have. Thank you so much for your help. Bad attitude or not. Bye now. Sentence2: Yes, can you please provide their phone number and physical address? Sentence3: Parkside Police Station is located in Parkside, Cambridge, within the postcode of CB11JG. May I help with something else? Sentence4: I am looking for the Parkside Police Station Sentence5: The phone number is 01223358966. We have already given you the physical address.. Sentence6: Have a nice day! Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System