This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non-Communicable Diseases, Subject name: Social & Preventive Medicine
[{'content': 'One of the following is not true of Ponderal index:(2000) \nSelect and explain. \nA. It is measure of obesity, B. Is height and weight independent, C. Is height and weight dependant, D. Age independent', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: bRef: Park, 17thed, p. 299', 'role': 'assistant'}]