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': 'All are true for conversion reaction Except \nSelect and explain. \nA. Seondary gain, B. Onset inlate age, C. Patient does not consciously produce symptoms, D. Relation with stress', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Onset in late age', 'role': 'assistant'}]