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': 'Impairment means: March 2013 (e) \nSelect and explain. \nA. Inability of a person to carry out ceain activities normal for his age and sex, B. Limitation of an individual to fulfill the role that is normal for that individual, C. Inability of an individual to play the role expected of him in society, D. Any loss or abnormality of psychological, physiological or anatomical structure of function', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Any loss or abnormality of psychological, physiological or anatomical structure of function', 'role': 'assistant'}]