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': 'Most common psychiatry disorder is \nSelect and explain. \nA. Dementia, B. Schizophrenia, C. Depression, D. Paronia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Depression', 'role': 'assistant'}]