This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
[{'content': 'Which of the following HLA is associated with rheumatoid ahritis \nSelect and explain. \nA. DR 2, B. DR 3, C. DR 4, D. DR 5', 'role': 'user'}, {'content': 'Answer: C \nExplanation: HLA B 27SERONEGATIVE AHRITIS (AS, REACTIVE, PSORIATIC, ENTEROPATHIC)HLA DR2 NARCOLEPSYGOOD PASTURE SYNDROMEHLA DR 3DQ8TYPE I DM DERMATITIS HERPETIFORMISHLA DR 4 RHEUMATOID (STRONG ASSOCIATION)PEMPHIGUS VULGARISHLA B8MGHLA DQ2/DQ8CELIAC DISEASEHLA DR 2,3,5,7PROTECTION AGAINST RAHLA B51 B5BEHCET SYNDROMEHLA B57ABACAVIR HYPERSENSITIVITY', 'role': 'assistant'}]