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': 'Bicalutamide is a specific inhibitor of - \nSelect and explain. \nA. 5-alpha reductase, B. Androgen receptors, C. Aromatase, D. Estrogen receptor', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Androgen receptors", 'role': 'assistant'}]