input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is not present in posterior triangle of neck?   (A) Phrenic nerve   (B) Subclavian nerve   (C) External jugular vein   (D) Hypoglossal nerve
output: ['(D) Hypoglossal nerve <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Phrenic nerve  (B) Subclavian nerve  (C) External jugular vein  (D) Hypoglossal nerve <> possible answers', '  Which of the following is not present in posterior\ntriangle of neck? <> context']