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': "OCP's are contraindicated in A/E : \nSelect and explain. \nA. Smoking 35 years, B. Coronary occlusion, C. Polycystic ovarian ds, D. Cerebro vascular ds", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c i.e. Polycystic ovarian disease', 'role': 'assistant'}]