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: Pharmacology
[{'content': 'Iodine content in amiodarone - \nSelect and explain. \nA. 10 - 20%, B. 20 - 40%, C. 40 - 60%, D. 60 - 80%', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 20 - 40%", 'role': 'assistant'}]