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

Sentence1: There are no restaurants matching your request. Sentence2: Dojo Noodle Bar is an Asian Oriental restaurant in the centre of town. Sentence3: The phone number for Dojo Noodle Bar is 01223 363471. Can I help you with anything else? Sentence4: Thank you for using this system and please call again. Goodbye. Sentence5: Hello, I am looking for a restaurant in the centre of town that serves Brazilian food. Sentence6: no thank you good bye Sentence7: What is the phone number? Sentence8: Can you look for asian oriental food? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System