This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
[{'content': 'Human development index includes all except ? \nSelect and explain. \nA. Longevity, B. Knowledge, C. Income, D. Literacy rate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Human development index HDI is a composite index combining indicators representing three dimensions. Longevity : Life expectancy at bih. Knowledge : Mean years of schooling (gross enrolment ratio) and expected year of schooling. Income : GNI Per Capita (In older editions of Park, it was GDP per capita instead of GNI per capita). Ref: Park 24th edition', 'role': 'assistant'}]