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: Microbiology
[{'content': 'An organism produces cutaneous disease (malignant pustule or eschar) at the site of inoculation in handlers of animal skins. Most likely organism is: \nSelect and explain. \nA. Bacillus anthracus, B. Pseudomonas Aeruginosa, C. Nisseria meningitides, D. Cryptococcus neoformans', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bacillus anthracus', 'role': 'assistant'}]