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': 'Which Organism is "Non Capsulated": \nSelect and explain. \nA. Klibesella, B. H. influenza, C. E. Coli, D. Anthrax bacillus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: E. Coli', 'role': 'assistant'}]