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': 'Schizophrenia with late onset and good prognosis \nSelect and explain. \nA. Simple SZP, B. Hebephrenic, C. Catatonic SZP, D. Paranoid SZP', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Catatonic SZP', 'role': 'assistant'}]