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: Unknown
[{'content': 'Cervical cytology smear revealed CIN2- next step - \nSelect and explain. \nA. Colposcopy, B. Cryocautery, C. Hysterectomy, D. Laser ablation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans- A Colposcopy guided biopsy', 'role': 'assistant'}]