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: Pathology
[{'content': 'The % of coincidence between a sore throat and acute rheumatic fever is - \nSelect and explain. \nA. 3%, B. 5%, C. 7%, D. 9%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]