This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Microbiology
[{'content': 'A person working in an abattoir presented with malignant pustule on hand; What is the causative agent? \nSelect and explain. \nA. Clostridium botulinum, B. ostridium perfringens, C. Bacillus anthracis, D. Streptococcus pyogenes', 'role': 'user'}, {'content': "Answer: C \nExplanation: Bacillus Anthrax causes malignant pustule which later becomes vesicule containing fluid, this is also known as cutaneous Anthrax or Hide poer's disease since it is common in dockworkers containing load of hides and skin on their back surface.", 'role': 'assistant'}]