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: Unknown
[{'content': 'The fishnet pattern is seen in - \nSelect and explain. \nA. Pemphigus vulgaris, B. Bullous permphigoid, C. Dermatitis herpetiformis, D. Dariers disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pemphigus vulgaris', 'role': 'assistant'}]