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': "Behcet's disease is characterised by all of the following except: \nSelect and explain. \nA. Unilateral granulomatous uveitis, B. Recurrent hypopyon, C. Aphthous ulceration, D. Genital ulcerations", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Unilateral granulomatous uveitis', 'role': 'assistant'}]