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': 'RU 486 is used in all of the following except : \nSelect and explain. \nA. Post coital contraception, B. Cervical ripening, C. Induction of labour, D. MTP', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Induction of labour', 'role': 'assistant'}]