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: Medicine
[{'content': 'Framingham criteria for diagnosis of congestive heart failure classifies the following as major criteria except- \nSelect and explain. \nA. Extremity oedema, B. Acute pulmonary oedema, C. Paroxysmal nocturnal dyspnoes, D. S3 gallop', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]