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': 'Gestrinone has followings actions except \nSelect and explain. \nA. Androgenic, B. Anti - oestrogenic, C. Anti -androgenic, D. Anti - progestogenic', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Gestrinone is androgenic, derivative of testosterone.', 'role': 'assistant'}]