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': 'Malignant pustule occurs in ? \nSelect and explain. \nA. Melanoma, B. Gas gangrene, C. Ovarian tumour, D. Anthrax', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Anthrax", 'role': 'assistant'}]