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': "A 50 years old women present's with post coital bleeding. A visible growth on cervix is detected on per speculum examination. Next investigation is : \nSelect and explain. \nA. Punch biopsy, B. Colposcopic biopsy, C. Pap smear, D. Cone Biopsy", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a i.e. Punch biopsy', 'role': 'assistant'}]