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': 'Difference between neurosis and psychosis is \nSelect and explain. \nA. Severity, B. Insight, C. Clinical features, D. Duration', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Insight', 'role': 'assistant'}]