input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Earliest valvular lesion in a case of acute rheumatic fever is –   (A) Mitral regurgitation (MR)   (B) Aortic Regurgitation(AR)   (C) Mitral stenosis (MS)   (D) Aortic Stenosis (AS)
output: ['(A) Mitral regurgitation (MR) <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mitral regurgitation (MR)  (B) Aortic Regurgitation(AR)  (C) Mitral stenosis (MS)  (D) Aortic Stenosis (AS) <> possible answers', '  Earliest valvular lesion in a case of acute rheumatic fever is – <> context']