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': 'Human development index includes - \nSelect and explain. \nA. Crude death rate, B. Life expectancy at one year, C. Life expectancy at bih, D. All', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Life expectancy at bih According to 22nd/e of Park, options 'd & e' are not the components of HDI. o Expected years of schooling (not adult literacy rate) and GNI per capita (not GDP) are the components of HDI.", 'role': 'assistant'}]