Anchor: We also reviewed the management studies of 23 large federal departments and agencies that we did during the last decade as well as a broad array of our other management and program work.
Entailed: We reviewed the management studies from 23 federal departments and agencies. 
Contradiction: We only reviewed one management study of a small agency. 
Contradiction: A group of boys having a snowfight.
Contradiction: Paying the least attention results in a long list of preferred examples.
Contradiction: Gao never visits and legal corporations. 
Contradiction: The display shows the information from lots of sources.