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': 'Fulminant Amoebic meningoencephalitis caused by? \nSelect and explain. \nA. Acanthamoeba, B. N.fowleri, C. E.Histolytic, D. E. Coli', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., N. fowleri", 'role': 'assistant'}]