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: Social & Preventive Medicine
[{'content': "All of the following are indices to define obesity, EXCEPT: \nSelect and explain. \nA. Chandler's index, B. Corpulence index, C. Quetlet's index, D. Body mass index", 'role': 'user'}, {'content': "Answer: A \nExplanation: Various indices used to detect obesity include: Corpulence index Quetlet's index/ Body mass index Ponderal index Broca index Lorentz's formula Ref: Park 21st edition, page 369.", 'role': 'assistant'}]