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: Medicine
[{'content': 'Devi, a 28 year female, has diarohea, confusion, high grade fever with bilateral pneumonitis.The diagnosis is - \nSelect and explain. \nA. Legionella, B. Neisseria meningitidis, C. Streptoccocos pneumoniae, D. H. influenzae', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]