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': 'Differentiating features b/w neurosis and psychosis,In psychosis - \nSelect and explain. \nA. Insight is preserved, B. Lack of insight, C. Personality and behavior preserved, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]