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': 'Nerve carrying motor component of light reflex- \nSelect and explain. \nA. 1st nerve, B. 2nd nerve, C. 3rd nerve, D. 4th nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Efferent pathway consists of parasympathetic fibres which arise from the Edinger -Westphal nucleus in the midbrain and travel along the third cranial nerve .i.e, occulomotor nerve. Refer comprehensive ophthalmology (6th edition )A K Khurana, page no 315', 'role': 'assistant'}]