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': 'Defect of conation is typically seen in: \nSelect and explain. \nA. Simple schizophrenia, B. Hebephrenia schizophrenia, C. Catatonic schizophrenia, D. Paranoid schizophrenia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C. i.e. Catatonic schizophrenia', 'role': 'assistant'}]