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: Skin
[{'content': 'Subepidermal bullae is seen in ? \nSelect and explain. \nA. Pemphigus vulgaris, B. Darriers disease, C. Bullous pemphigoid, D. HSV infection', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Bullous pemphigoid", 'role': 'assistant'}]