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': "The most reliable criteria in Gustafson's method of identification is: \nSelect and explain. \nA. Cementum apposition, B. Transparency of root, C. Attrition, D. Root resorption", 'role': 'user'}, {'content': "Answer: B \nExplanation: B i.e. Transparency of root - Stack's method (formula) is for age estimation from weight & height of erupting teeth in infant and childrenQ. - Translucency or transparency of root is the most reliable criteria in Gustafson method of age estimationQ", 'role': 'assistant'}]