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: Skin
[{'content': 'Leprosy commonly affects all organs except: \nSelect and explain. \nA. Ovary, B. Skin, C. Nerves, D. Eye', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ovary', 'role': 'assistant'}]