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': 'Which of the following muscles produce intorsion of eye ball-? \nSelect and explain. \nA. Superior rectus and superior oblique, B. Inferior rectus and inferior oblique, C. Inferior rectus and superior oblique, D. Superior rectus and inferior oblique', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Superior rectus and superior obliqueMusclePrimarySecondaryTertiaryMedial rectusAdduction--Lateral rectusAbduction--Inferior rectusDepressionExtorsionAdductionSuperior rectusElevationIntorsionAdductionInferior obliqueExtorsionElevationAbductionSuperior obliqueIntorsionDepressionAbduction', 'role': 'assistant'}]