You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I also need the police station's address and postcode, please. Sentence2: Parkside, Cambridge police station, the telephone number is 01223358966 Sentence3: Thank you for allowing me to help you today. Sentence4: I am looking for a nearest police station Sentence5: Their address is Parkside, Cambridge postcode CB11JG. Can I assist you further? Sentence6: No, that's all. Thank you, good bye. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System