You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: You are welcome. Is that all for today? Sentence2: Great, thank you. Sentence3: I'm sorry to hear about your accident, would you like the number for Parkside Police Station? Sentence4: there you go Telephone : 01223358966 Sentence5: Yes, thanks for your help. Sentence6: Thank you! Good Bye Sentence7: You are quite welcome. Do you require any further assistance? Sentence8: No I don't. Thank you. Goodbye. Sentence9: I need some help with a car accident I was in. Sentence10: Yes please, that would be great. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System