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': 'Suicidal tendencies are most common in -a) Involutional depressionb) Reactive depressionc) Psychotic depressiond) Childhood depression \nSelect and explain. \nA. a, B. ac, C. ad, D. b', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Suicide is common in :- Endogenous depression, psychotic depression, involutional (old age) depression.', 'role': 'assistant'}]