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': 'In carcinoma cervix, the causative etiological factor is \nSelect and explain. \nA. Condyloma accuminata, B. HPV 16,18, C. HPV 6, 11, D. HSV 1 and 2', 'role': 'user'}, {'content': 'Answer: B \nExplanation: HPV 16,18', 'role': 'assistant'}]