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: Dental
[{'content': 'One of the following is the t/t of choice for dermatitis herpetiformis – \nSelect and explain. \nA. Corticosteroids, B. Dapson, C. Mtx, D. Retinoids', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Main treatment of dermatitis herpetiformis is gluten free diet and dapsone.', 'role': 'assistant'}]