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': 'Treatment of seasonal affective disorder \nSelect and explain. \nA. SSRIs, B. ECT, C. Bright light therapy, D. Sensate focus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Seasonal affective disorder is mood disorder with seasonal pattern treated with Bright light therapy.', 'role': 'assistant'}]