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': 'ECT is not useful in treatment of \nSelect and explain. \nA. Chronic Schizophrenia, B. Catatonic Schizophrenia, C. Endogenous depression, D. Acute psychosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Chronic schizophrenia', 'role': 'assistant'}]