This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Major Depression, Subject name: Psychiatry
[{'content': 'All symptoms are included in diagnostic criteria of major depression, except- \nSelect and explain. \nA. Indecisiveness, B. Insomnia, C. Poor concentration, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans- D', 'role': 'assistant'}]