input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following drugs is least efficacious in the treatment of temporal lobe epilepsy?   (A) Phenobarbitone   (B) Phenytoin sodium   (C) Primidone   (D) Carbamazepine
output: ['(C) Primidone <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Phenobarbitone  (B) Phenytoin sodium  (C) Primidone  (D) Carbamazepine <> possible answers', '  Which of the following drugs is least efficacious in the treatment of temporal lobe epilepsy? <> context']