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': 'Sudden onset of hemiplegia with contra lateral ophthlamoplegia the probable lesion is in - \nSelect and explain. \nA. Pons, B. Lateral medulla, C. Mesencephalon, D. Forebrain', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]