You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: The nearest police station is in Parkside, Cambridge, CB11JG Sentence2: No, that is. Good bye. Sentence3: You're welcome. Is there anything else I can do for you? Sentence4: Yes, their phone number is 01223358966. Sentence5: Great, thanks. Do you also have their telephone number? Sentence6: I need to find the nearest police station. Sentence7: Thanks for using our services. Sentence8: Great, thanks very much for the help. Sentence9: Do you have an address for them? Sentence10: What I have for them is Parkside, Cambridge. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System