This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous Humour, Uveal Disorders, Subject name: Ophthalmology
[{'content': "Not a cause of panuveitis \nSelect and explain. \nA. Behcet's syndrome, B. Syphillis, C. Sarcoidosis, D. Sympathetic ophthalmitis", 'role': 'user'}, {'content': "Answer: B \nExplanation: Syphillis is not a common cause for panuveitis Panuveitis: Inflammation of all the layers of uveal tissue iris, ciliary body and choroid. Diseases causing granulomatous panuveitis. *Tuberculosis *Vogt Kayanaga Harada *Behcet's syndrome *Sarcoidosis *Sympathetic Ophthalmitis", 'role': 'assistant'}]