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': 'Which of the following is a Cluster B personality disorder? \nSelect and explain. \nA. Schiziod personality disorder, B. Narcissistic personality disorder, C. Dependant personality disorder, D. Anantastic personality disorder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Narcissistic personality disorder is a cluster\xa0B personality disorder.\nSchiziod personality disorder is a cluster A personality disorder.\nDependant & Anankastic personality disorders are cluster C personality disorder.', 'role': 'assistant'}]