This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
[{'content': 'Which muscle is intoer of eye \nSelect and explain. \nA. Inferior oblique, B. Inferior rectus, C. Superior rectus, D. Medial rectus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Actions of extraocular muscles : Muscle Primary Secondary Teiary action action action LR Abduction -- -- SR Elevation Intorsion Adduction IR Depression Extorsion Adduction SO Intorsion Depression Abduction IO Extorsion Elevation Abduction Ref;A.K.Khurana ; 6th edition; Page no:339', 'role': 'assistant'}]