Anchor: Congressional requests for GAO work must be made in writing by a Member and addressed to the Comptroller General.
Entailed: GAO work requested by Congress must be done in writing.
Contradiction: Congressional requests for work by the GAO must be done by telephone. 
Contradiction: Four people are driving down the highway.
Contradiction: A child is near a dog.
Contradiction: Women were proven to have high alcohol tolerance.
Contradiction: The roles need to be determined.