input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Lymph from tongue not drained by following vessels   (A) Central   (B) Ventral   (C) Posterior   (D) Marginal
output: ['(B) Ventral <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Central  (B) Ventral  (C) Posterior  (D) Marginal <> possible answers', '  Lymph from tongue not drained by following vessels <> context']