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': 'Delirium and schizophrenia differ from each other by: \nSelect and explain. \nA. Change in mood, B. Clouding of consciousness, C. Tangential thinking, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Delirium presents with clouding of consciousness whereas in schizophrenia consciousness is intact. The mood changes and tangential thinking cannot be used for differentiation.', 'role': 'assistant'}]