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': 'Ability to form a concept and generalize is known as \nSelect and explain. \nA. Concrete thinking, B. Abstract thinking, C. Intelligent thinking, D. Delusional thinking', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Thinking characterised by the ability to grasp the essentials of a whole, to break a whole into its pas, and to discern common propeies. To think symbolically. Ref: Synopsis of Psychiatry, 11e, pg 1407.', 'role': 'assistant'}]