input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In oral and maxillofacial surgery, 'danger space' is known as   (A) Carotid sheath   (B) Posterior to carotid sheath in posterior triangle of neck   (C) Posterior to transverse process of vertebrae   (D) Space between alar &prevertebral fascia
output: ['(D) Space between alar &prevertebral fascia <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Carotid sheath  (B) Posterior to carotid sheath in posterior triangle of neck  (C) Posterior to transverse process of vertebrae  (D) Space between alar &prevertebral fascia <> possible answers', "  In oral and maxillofacial surgery, 'danger space' is known as <> context"]