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: Dental
[{'content': 'Any loss or abnormality of psychological, or anatomical\nstructure or function is \nSelect and explain. \nA. Disease, B. Impairment, C. Disability, D. Handicap', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]