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': 'Indications for ECT are : \nSelect and explain. \nA. Paranoid schizophrenia, B. Depression with suicidal tendency, C. Neurotic depression, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Depression with sucidal tendency', 'role': 'assistant'}]