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': 'False perception without any external stimulus is: AIIMS 06; Kerala 08, 09; COMEDK 13 \nSelect and explain. \nA. Illusion, B. Hallucination, C. Delirium, D. Delusion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Hallucination', 'role': 'assistant'}]