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': 'A young male develops fever, followed by headache, confusional state, focal seizures and right hemiparesis, the MRI performed shows bilateral frontotemporal hyperintense lesion. The most likely diagnosis is \nSelect and explain. \nA. Acute pyogenic meningitis, B. Herpes simplex encephalitis, C. Neurocysticercosis, D. Carcinomatous meningitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]