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': 'Bullous skin lesions are seen in all except – \nSelect and explain. \nA. Impetigo, B. DM, C. Porphyria, D. Lupus vulgaris', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Impetigo, diabetes and porphyria can cause vesiculo-bullous lesions.\nLupus vulgaris is not a vesiculo-bullous disorder.', 'role': 'assistant'}]