This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Social & Preventive Medicine
[{'content': 'Components of Kuppuswamy scale \nSelect and explain. \nA. Housing, Livestock, land, B. Income, Occupation, Education, C. Income, Housing, Education, D. Income, Livestock, Housing', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Income, occupation and education are components of Kuppuswamy scale. Modified Kuppuswamy scale: Scale of socioeconomic status of Urban families It comprises of 3 components: Education status of head of family Occupation status of head of family Income of family per month It has: Upper middle 16-25 Lower middle 11-15 Upper lower 05-10 Lower 00-04', 'role': 'assistant'}]