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': 'All are features of Mania except - \nSelect and explain. \nA. Insomnia, B. Pressure of speech, C. Disorientation, D. Granduer delusion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Manic patients are well alert and orientated.', 'role': 'assistant'}]