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': 'The correlation between IMR and Socio Economic status is best depicted by – \nSelect and explain. \nA. Correlation (+1), B. Correlation (+0.5), C. Correlation (– 1), D. Correlation (– 0.8)', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]