This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal  disorders, Subject name: Pediatrics
[{'content': 'Not a criteria of J.R.A (Juvenile Rheumatoid Ahritis) \nSelect and explain. \nA. Age > 16 yrs, B. Ahritis > 3 wks, C. Ahritis > 6 months, D. 1 or more joint involvement', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . juvenile Rheumatoid ahritis : age should be below 16 yrs Ref : Ghai pediatrics eighth edition pg no 625', 'role': 'assistant'}]