Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: The address is Cambridge Leisure Park Clifton Way. Sentence2: Looking for a cheap restaurant. Sentence3: Nandos is a portuguese restaurant in the south side of town with a cheap price range. Sentence4: What is the address? Sentence5: I have found some. Would you like Italian, Chinese, Asian Oriental, Indian, or Spanish food? Sentence6: Do you have Brazilian or Portuguese? Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System