input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The tooth most commonly having bifurcated roots is the:   (A) Maxillary central incisor   (B) Mandibular lateral incisor   (C) Mand. central incisor   (D) Mandibular premolar
output: ['(D) Mandibular premolar <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Maxillary central incisor  (B) Mandibular lateral incisor  (C) Mand. central incisor  (D) Mandibular premolar <> possible answers', '  The tooth most commonly having bifurcated roots is the: <> context']