input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Saliva buffer system having low importance in stimulated saliva   (A) Amino acids   (B) Carbonic acids   (C) Phosphates   (D) None
output: ['(A) Amino acids <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Amino acids  (B) Carbonic acids  (C) Phosphates  (D) None <> possible answers', '  Saliva buffer system having low importance in stimulated saliva <> context']