input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Radio density can be increased by   (A) Decreasing MA   (B) Decreasing kVp   (C) Decreasing target film distance   (D) Increasing target film distance
output: ['(C) Decreasing target film distance <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Decreasing MA  (B) Decreasing kVp  (C) Decreasing target film distance  (D) Increasing target film distance <> possible answers', '  Radio density can be increased by <> context']