Anchor: GAO performs its audit and analytical work in accordance with generally accepted government auditing standards (GAGAS or the Yellow Book standards which can be found at www.gao.gov).
Entailed: GAGAS or Yellow Book standards are used by the GAO.
Contradiction: The GAO performs audits with its own standards they make up. 
Contradiction: When the Union stayed, people did not expect it at all. 
Contradiction: Ivan said that you should go see him.
Contradiction: The police officers are sitting in the patrol car.
Contradiction: There were a lot of cars in the town.