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': 'Age of child with 20 permanent teeth and 4 temporary teeth is: Kerala 08, 09; Punjab 10; UP 10 \nSelect and explain. \nA. 9 years, B. 10 years, C. 11 years, D. 14 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 11 years', 'role': 'assistant'}]