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 symptom is not one among the 4 'A's of Bleuler? \nSelect and explain. \nA. Ambivalency, B. Auditory Hallucination, C. Autism, D. Affective Flattening", 'role': 'user'}, {'content': "Answer: B \nExplanation: Auditory Hallucination is Pathognomic of Schizophrenia, but not one among the 4 'A's given by Eugene Bleuler.\nGave 4'A's of Schizophrenia\n\nAutistic behaviour: is characterized by irrational thinking and withdrawn behaviour.\nAmbivalence: Inability to take decision\nAssociation loss or Derailment: There is loss of connection between individual throught process the speech of patient is disorganized.\nAffect Disturbance / Affective Flattening: Emotional disturbances.", 'role': 'assistant'}]