This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psychoanalysis, Subject name: Psychiatry
[{'content': 'According to Sigmund Freud, primary process thinking is: \nSelect and explain. \nA. Illogical and bizarre, B. Rational, C. Absent during sleep, D. Logical and unconscious', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The primary process thinking is a characteristic of unconscious mind. It is illogical and aims for immediate wish fulfillment. It is illogical and contradictory', 'role': 'assistant'}]