input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which is the best index for burden of disease?   (A) Case fatality rate   (B) Morbidity data   (C) Dependency ratio   (D) Disability adjusted life years
output: ['(D) Disability adjusted life years <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Case fatality rate  (B) Morbidity data  (C) Dependency ratio  (D) Disability adjusted life years <> possible answers', '  Which is the best index for burden of disease? <> context']