input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following structures is not present on the internal surface of mandible?   (A) Genial tubercle   (B) Mylohyoid ridge   (C) Lingula   (D) Mental foramen
output: ['(D) Mental foramen <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Genial tubercle  (B) Mylohyoid ridge  (C) Lingula  (D) Mental foramen <> possible answers', '  Which of the following structures is not present on the internal surface of mandible? <> context']