This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveal tract, Subject name: Ophthalmology
[{'content': 'Pathognomic sign of Acute Iridocyclitis is - \nSelect and explain. \nA. Aquous flare, B. Keratic precipitates, C. Small pupil, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Keratic precipitates is pathognomic sign of acute iridocyclitis.', 'role': 'assistant'}]