This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Organic Mental Disorders, Subject name: Psychiatry
[{'content': 'Disorientation occurs in: \nSelect and explain. \nA. Schizophrenia, B. Organic brain syndrome, C. Depression, D. Mania', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Presence of disturbances of consciousness and disorientation is suggestive of organic mental disorders.', 'role': 'assistant'}]