This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eye, Nose and Ear, Subject name: Anatomy
[{'content': 'True about superior oblique origin and inseion? \nSelect and explain. \nA. Originate from common tendinous ring and inseed into sclera behind the equator, B. Originate from the body of sphenoid and inseed into the sclera behind the equator, C. Originate from lesser wing of sphenoid and inseed into sclera in front of equator, D. Originate from greater wing of sphenoid and inseed into sclera in front of equator', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Superior Oblique muscle: Origin : from body of sphenoid (superomedial to optic canal - opening in lesser wing of sphenoid ) Inseion - Sclera of the eyeball posterior to equator of eyeball Trochlea gives trochlear nerve supplying S.O.M Actions of S.O.M: depression, abduction & intorsion', 'role': 'assistant'}]