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': 'Dacrocystorhinostomy, where the duct is opened- \nSelect and explain. \nA. Superior meatus, B. Inferior meatus, C. Middle meatus, D. Sphenoethmoidal recess', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Incision is made 8mm medial to medial canthus which is near to inferior meatus, Ref: khurana pg no 396', 'role': 'assistant'}]