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': 'Flutamide is an: \nSelect and explain. \nA. Anti–convulsant, B. Anti–androgen, C. Anti–progestin, D. Anti–oestrogen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]