Anchor: It provides that the Comptroller General shall evaluate the results of a program or activity the Government carries out under existing law.
Entailed: The Comptroller General will evaluate the results.
Contradiction: The Comptroller General will feed the ducks at the park.
Contradiction: The evidence is quite uplifting. 
Contradiction: A man with a tool is working on a large piece of rock.
Contradiction: The highly praised dancers in Kyoto began to perform in a more sexually restrained way.
Contradiction: Written comments are generally preferred by GAO.