input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which is not a branch of the external carotid aery supplying nasal septum?   (A) Sphenopalatine   (B) greater palatine   (C) superior labial   (D) anterior ethmoidal
output: ['(D) anterior ethmoidal <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Sphenopalatine  (B) greater palatine  (C) superior labial  (D) anterior ethmoidal <> possible answers', '  Which is not a branch of the external carotid aery supplying nasal septum? <> context']