This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cognitive development and defence mechanism, Subject name: Psychiatry
[{'content': 'Which of the following is a mature defence mechanism \nSelect and explain. \nA. Projection, B. Reaction formation, C. Anticipation, D. Denial', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mature defence mechanisms are sublimation, suppression, anticipation, altruism and humour Anticipation is the realistic thinking and planning about future unpleasurable events (Ref: a sho textbook of psychiatry, Niraj Ahuja,7th edition, pg no 210)', 'role': 'assistant'}]