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': 'Type of schizophrenia with mental retardation - \nSelect and explain. \nA. Von-Gogh syndrome, B. Paranoid schizophrenia, C. Catatonic schizophrenia, D. Pfropf schizophrenia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Schizophrenia when occurs in the presence of mental retardation is called pfropf\xa0syndrome.\nVon-Gogh syndrome is dramatic self-mutilation in schizophrenia.', 'role': 'assistant'}]