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: Medicine
[{'content': "All the following diseases are associated with H1LA B-27 & Uveitis, except: \nSelect and explain. \nA. Bechcet's syndrome, B. Psoriasis, C. Ankylosing Spondylitis, D. Reiter's syndrome", 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Behcet's syndrome) : Behcet's syndrome is associated with HLA B5 and HLA B5 / - Also remember: Narcolepsy is associated with HLA DR2 and has exceptionally high relative risk o 'more than 100% 130%.Q", 'role': 'assistant'}]