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': 'Delusion of persecution occurs in - \nSelect and explain. \nA. Schizophrenia, B. Paranoid psychosis, C. Manic episode, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Delusions of presecution are seen in schizophrenia (especially paranoid), severe affective disorders (Severe mania, Severe depression), and organic brain syndrome.', 'role': 'assistant'}]