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': 'Lack of insight is not a feature of- \nSelect and explain. \nA. Panic disorder, B. Schizophrenia, C. Mania, D. Reactive psychosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Panic disorder (Anxiety disorder) is a neurosis in which the insight is preserved.', 'role': 'assistant'}]