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: Social & Preventive Medicine
[{'content': 'Not included among major criteria in acute rheumatic fever is \nSelect and explain. \nA. Erythema marginatum, B. Chorea, C. Polyarthralgia, D. Pancarditis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]