This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Schizophrenia occurring in persons with IQ less than 70 is \nSelect and explain. \nA. Simple, B. Proff, C. Catatonia, D. Hebephrenic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Schizophrenia in mental retardation is known as Proff schizophrenia Other named Schizophrenia is 1. Van-Gogh schizophrenia - schizophrenia with self-mutilating behaviours. 2. Nuclear schizophrenia: It is when both hebephrenic and catatonic schizophrenia occur.', 'role': 'assistant'}]