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: Psychiatry
[{'content': 'Patients suffering from which of the following disease as per ICD/DSM criteria are eligible for disability benefit as per the National Trust Act? \nSelect and explain. \nA. Schizophrenia, B. Bipolar disorder, C. Dementia, D. Mental retardation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: National Trust Act (1999) is an act to provide for the constitution of a body at the national level for the welfare of persons with Autism, Cerebral palsy, Mental retardation, and Multiple disabilities and for matters connected therewith or incidental thereto.', 'role': 'assistant'}]