This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Orbit and Adnexa, Subject name: Ophthalmology
[{'content': 'First eye muscle affected in thyroid disease \nSelect and explain. \nA. Lateral rectus, B. Inferior rectus, C. Medial rectus, D. Superior rectus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Thyroid related ophthalmopathy 5 times more common in female Extra ocular muscles involvement: I - Inferior rectus Am - Medial rectus So - Superior rectus Lucky - Lateral rectus', 'role': 'assistant'}]