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: Ophthalmology
[{'content': 'Eye is deted laterally and downwards; patient is unable to look up or medially; likely nerve involved is: \nSelect and explain. \nA. Trochlear, B. Trigeminal, C. Oculomotor, D. Abducent', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Occulomotor', 'role': 'assistant'}]