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': 'BMI for normal weight - \nSelect and explain. \nA. 18.5 - 22.99, B. 23.0 - 24.99, C. >=25, D. >=30', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Normal range of BMI = 18.5 to 22.99 ( Indian stantard). Ref- Park&;s textbook of Preventive and Social Medicine 24th edition. .', 'role': 'assistant'}]