input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of these anticonvulsants causes contraction of visual field?   (A) Levetiracetam   (B) Phenytoin   (C) Vigabatrin   (D) Ethosuximide
output: ['(C) Vigabatrin <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Levetiracetam  (B) Phenytoin  (C) Vigabatrin  (D) Ethosuximide <> possible answers', '  Which of these anticonvulsants causes contraction of visual field? <> context']