This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Orbit, Subject name: Anatomy
[{'content': 'Primary action of inferior oblique muscle is - \nSelect and explain. \nA. Abduction, B. Adduction, C. Extorsion, D. Elevation', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Extorsion MusclePrimary ActionSecondary ActionSuperior rectusElevationAdduction and intorsionInferior rectusDepressionAdduction and extorsionMedial rectusAdduction Lateral rectusAbduction Superior obliqueIntorsionAbduction and depressionInferior obliqueExtorsionAbduction and elevation", 'role': 'assistant'}]