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': 'Bipolar II disorder includes \nSelect and explain. \nA. Cyclothymic disorder, B. Dysthemia, C. Single manic episode, D. Major depression & hypomania', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Major depression & hypomania', 'role': 'assistant'}]