This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Psychiatry, Subject name: Forensic Medicine
[{'content': 'True about delusions is all except: \nSelect and explain. \nA. They are false belief, but firm., B. It is primarily a disorder of perception, C. Not associated with intellectual background, D. It remains despite of contrary evidence', 'role': 'user'}, {'content': 'Answer: B \nExplanation: DELUSION: Delusion is a false belief in something which is not a fact It persists even after its falsity has been clearly demonstrated. A normal person can have a delusion, but is capable of correcting it by his reasoning power, by his past experience and by being convinced by others. It is primarily a disorder of thought', 'role': 'assistant'}]