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': 'Early morning awakeness is a feature of - \nSelect and explain. \nA. Psychosis, B. Anxiety neurosis, C. Depression, D. Mania', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]