input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Buccinator is pierced by all of the following except:   (A) Labial branch of facial nerve   (B) Buccal branch of mandibular nerve   (C) Parotid duct   (D) Molar mucous glands
output: ['(B) Buccal branch of mandibular nerve <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Labial branch of facial nerve  (B) Buccal branch of mandibular nerve  (C) Parotid duct  (D) Molar mucous glands <> possible answers', '  Buccinator is pierced by all of the following except: <> context']