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: Forensic Medicine
[{'content': 'Stack method of dental age estimation is used for: AIIMS 11 \nSelect and explain. \nA. Infants, B. Adults, C. Elderly, D. Adolescents', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Infants', 'role': 'assistant'}]