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: Pediatrics
[{'content': 'In celiac disease A/E - \nSelect and explain. \nA. Gliadin is cause, B. Associated with HLA-B8, C. Decreased villi to crypt ratio, D. Increased brush border', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Associated with HLAB8", 'role': 'assistant'}]