This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': "HLA marker of Behcet's syndrome is? \nSelect and explain. \nA. B27, B. DR5, C. B51, D. CW6", 'role': 'user'}, {'content': "Answer: C \nExplanation: Robbins and Cotran pathologic basis of disease South Asia edition. *Behcet's syndrome is a small to medium vessel neutrophylic vasculitis characterised by triad of aphthous ulcer,genital ulcer and uveitis.there is association with HLA B51 in paicular.", 'role': 'assistant'}]