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': 'The only non–catecholamine sympathomimetic drug out of the following is: \nSelect and explain. \nA. Adrenaline, B. Ephedrine, C. Dopamine, D. Isoprenaline', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]