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': 'Capsule of Bacillus anthracis is formed of: \nSelect and explain. \nA. Polysaccharide, B. Lipopolysaccharide, C. Polypeptide, D. Long chain fatty acids', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is. 'c' i. e. Polypeptide", 'role': 'assistant'}]