This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
[{'content': 'All are true about Inverted papilloma except \nSelect and explain. \nA. Pre malignant, B. Arise from medial wall of nose, C. Common in females, D. Causes epistaxis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]