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': 'Major psychosis is - \nSelect and explain. \nA. Neurosis, B. Dementia, C. Reactive depression, D. Endogenous depression', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Psychotic features occur in endogenous depression (not in reactive depression) → Endogenous depression is a psychosis.\nNeurosis & Dementia are not major psychoses.', 'role': 'assistant'}]