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': "Dalen Fuch's nodules are pathognomic of: \nSelect and explain. \nA. Pathological myopia, B. Sympathetic ophthalmitis, C. Fuch's uveitis syndrome, D. Sarcoidosis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Sympathetic ophthalmitis', 'role': 'assistant'}]