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: The Parkside Police Station's telephone number is 01223358966. Are you in need of medical assistance? The Addenbrookes Hospital's Telephone number is 01223245151 Sentence2: Oh no! The telephone number for the police is 01223358966, their address is Parkside, Cambridge, and their postcode is CB11JG. I hope no one was injured! Sentence3: I hope you get it all settled quickly! Goodbye! Sentence4: Thanks for the information. I have to be going. Goodbye. And thanks again. Sentence5: Help! I was in a car accident dispute! Sentence6: I was in a car accident dispute and need some info. I need a phone number, address, and postcode. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System