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': 'HPV associated with adenocarcinoma of cervix: \nSelect and explain. \nA. Type 6, B. Type 18, C. Type 11, D. Type 42', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]