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: Gynaecology & Obstetrics
[{'content': 'All of the following is used for hirsutism in female expect : \nSelect and explain. \nA. Spironolactone, B. Oxynandrolone, C. Finasteride, D. Flutamide', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oxynandrolone', 'role': 'assistant'}]