This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Surgical Techniques for Cataract Extraction, Subject name: Ophthalmology
[{'content': 'A patient on day 2 after cataract surgery has developed the following findings which are diagnostic of. \nSelect and explain. \nA. Acute postoperative glaucoma, B. Acute postoperative endophthalmitis, C. Acute bullous keratopathy, D. Acute anterior uveitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Acute postoperative endophthalmitis.', 'role': 'assistant'}]