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': 'All of the following organisms are known to survive intracellularly except: \nSelect and explain. \nA. Neisseria meningitides, B. Salmonella typhi, C. Streptococcus pyogenes, D. Legionella pneumophila', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]