This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'The most common ocular motility problem in thyroid myopathy is due to involvement of- \nSelect and explain. \nA. Medial rectus, B. Superior rectus, C. Inferior rectus, D. Inferior oblique', 'role': 'user'}, {'content': 'Answer: C \nExplanation: *Order of involvement (Mnemonic : IM SLO):- Inferior rectus > medial rectus > superior rectus > Laterial rectus > oblique. Ref: Head & Neck Surgery 2nd/e p.1513', 'role': 'assistant'}]