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': 'Flagellated amoeba is \nSelect and explain. \nA. Entamoeba histolytica, B. Naegleria fowleri, C. Acanthamoeba, D. Balamuthia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Naegleria fowleri also called brain eating amoeba is flagellated.', 'role': 'assistant'}]