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 most common among all psychiatric disorders? \nSelect and explain. \nA. Depression, B. Anxiety disorder, C. OCD, D. Delusional disorder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anxiety disorder are the most common among all psychiatric disorders\xa0and among the group of anxiety disorders, Phobias are the most common.', 'role': 'assistant'}]