This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Stain used for the diagnosis of granulocytic sarcoma \nSelect and explain. \nA. Myeloperoxidase, B. Leucocyte alkaline phosphatase, C. Non specific esterase, D. Neuron specific esterase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]