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': 'Mini mental status is : \nSelect and explain. \nA. Method to investigate common psychiatric problem, B. 30 point test to evaluate cognitive function, C. To evaluate schizophrenia, D. Instrument to measure delirium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The Mini Mental Status Examination (MMSE) is an easily administered 30 - point test of cognitive function.', 'role': 'assistant'}]