This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
[{'content': 'Which among the following is iron chelator: \nSelect and explain. \nA. EDTA, B. Desferrioxamine, C. BAL, D. Penicillamine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Uses EDTA- Manganese, Iron, Lead, Cadmium (MILK) Desferrioxamine - Iron BAL- Bismuth, Arsenic, Lead Penicillamine - Copper poisoning', 'role': 'assistant'}]