input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Valvular lesion most often resulting from myocardial infarction is:   (A) Aortic stenosis   (B) Mitral stenosis   (C) Mitral regurgitation   (D) Pulmonary stenosis
output: ['(C) Mitral regurgitation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Aortic stenosis  (B) Mitral stenosis  (C) Mitral regurgitation  (D) Pulmonary stenosis <> possible answers', '  Valvular lesion most often resulting from myocardial infarction is: <> context']