input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Measuring variation between two different units is done through   (A) Variance   (B) Standard deviation   (C) Coefficient of variation   (D) Range
output: ['(C) Coefficient of variation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Variance  (B) Standard deviation  (C) Coefficient of variation  (D) Range <> possible answers', '  Measuring variation between two different units is done through <> context']