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: Dental
[{'content': 'Contraindicated in Androgenic Alopecia – \nSelect and explain. \nA. Testosterone, B. Minoxidil, C. Cyproterone, D. Finasteride', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Testosterone (androgens) is the cause of androgenic alopecia. So, antiandrogens are used (not androgens).', 'role': 'assistant'}]