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: Forensic Medicine
[{'content': 'All are negative symptoms of schizophrenia, except: NIMHANS 08; UPSC 11; COMEDK 14 \nSelect and explain. \nA. Anhedonia, B. Hallucination, C. Alogia, D. Affective flattening', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Hallucination', 'role': 'assistant'}]