This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Personality disorders, Subject name: Psychiatry
[{'content': 'Healthy thinking includes all except \nSelect and explain. \nA. Constancy, B. Continuity, C. Clarity, D. Organization', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Schneider suggested there were three features of helathy thinking: Constancy, Organisation and Continuity. Ref- Fish Psychopathology, 3e, pg 47.', 'role': 'assistant'}]