This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-Ophthalmology, Subject name: Ophthalmology
[{'content': 'Damage to trochlear nerve causes which muscle palsy? \nSelect and explain. \nA. Superior Oblique, B. Lateral Rectus, C. Inferior oblique, D. Inferior rectus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Superior Oblique Oculomotor nerveMedial rectus. Inferior rectus, Superior rectus, Inferior obliqueTrochlear nerveSuperior ObliqueAbducensLateral rectus", 'role': 'assistant'}]