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': 'Which of the following is not a cognitive error/dysfunction: \nSelect and explain. \nA. Catastrophic thinking, B. Arbitrary inference, C. Overgeneralization, D. Thought block', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Thought blockThought block is an abnormality in continuity not in logic of thought in which the patient experiences a break in flow of thought through his mind. Thought block is not a cognitive erroi42', 'role': 'assistant'}]