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': "Use of OCP's are known to protect against following malignancies except: \nSelect and explain. \nA. Ovarian carcinoma, B. Endometrial carcinoma, C. Uterine sarcoma, D. Carcinoma cervix", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]