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': 'All of the following disorders are characterized by subcorneal blister formation except: \nSelect and explain. \nA. Pemphigus Folaceous, B. Bullous impetigo, C. SSSS, D. Pemphigus Vulgaris', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pemphigus vulgaris is characterized by suprabasal blister', 'role': 'assistant'}]