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: Surgery
[{'content': "Fournier's gangrene occurs in the \nSelect and explain. \nA. Toes, B. Scrotum, C. Fingers, D. Muscles", 'role': 'user'}, {'content': 'Answer: B \nExplanation: See Idiopathic scrotal gangrene.', 'role': 'assistant'}]