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': 'An 8 year old student complains of lack of interest in studies for the last 6 months. He has frequent quarrels with his parents and has frequent headaches. The most appropriate clinical approach would be : \nSelect and explain. \nA. Leave his as normal adolescent problem, B. Rule out depression, C. Rule out migraine, D. Rule out an oppositional defiant disorder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Frequent quarrels with parents (quick temper / easily angered) can be seen both in :\n\n\nDepression in children.\nOppositional defiant disorder.\n\n\nHowever, Physical symptoms (e.g., headache) and lack of interest occur in depression in children (not in oppositional defiant disorder).', 'role': 'assistant'}]