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': 'Shy, self oriented and relationship problems are seen in which personality disorder: \nSelect and explain. \nA. Schizoid personality disorder, B. Paranoid personality disorder, C. Borderline personality disorder, D. Antisocial personality disorder', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Persons with Schizoid personality disorder will be shy, isolated and uncomfortable with human interactions & hence relationship problems.', 'role': 'assistant'}]