This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'Most appropriate position for intraocular implant in extracapsular extraction is – \nSelect and explain. \nA. Capsular, B. Posterior chamber, C. Anterior chamber, D. Both (1) and (2)', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The best position of IOL is within the capsular bag in the posterior chamber.', 'role': 'assistant'}]