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: Medicine
[{'content': 'Eosin - 5 - malate binding is for \nSelect and explain. \nA. Hereditary spherocytosis, B. Paroxysmal nocturnal hemoglobinuria, C. Non - Hodgkin Lymphoma, D. Thalassemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: EMA test is positive for hereditary spherocytosis and hereditary elliptocytosis.', 'role': 'assistant'}]