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: Pathology
[{'content': 'Celiac sprue is associated with ? \nSelect and explain. \nA. HLA DQ 1, B. HLA DQ2, C. HLA DQ3, D. HLA DQ4', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., HLA DQ2", 'role': 'assistant'}]