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: Social & Preventive Medicine
[{'content': 'Best screening test for cervical cancer \nSelect and explain. \nA. Pap smear, B. VIA test (Visual inspection with acetic acid), C. Both of the above, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]