This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
[{'content': 'The Good prognostic factors of schizophrenia include all except \nSelect and explain. \nA. Age 12 yrs, B. Catatonic type, C. Female, D. More positive symptoms', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Age below 18years, male, insidious onset, simple and hebephrenic are usually bad prognostic factors for schizophrenia Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg: 370', 'role': 'assistant'}]