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': 'Which is most comonly implicated in genital (vulval) warts ? \nSelect and explain. \nA. HPV 16, B. HPV 18, C. HPV 31, D. HPV 6', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]