Anchor: For example, our testimony on IRS' broad-based modernization efforts
Entailed: We testified on IRS' broad-based modernization efforts.
Contradiction: We did not testify on IRS' broad-based modernization efforts.
Contradiction: The best practices in the following list are not based on any institutional research. 
Contradiction: Las Vegas is a far west tiger.
Contradiction: He couldn't find anything to feed the animals.
Contradiction: Three men walking in a row together, on a city street in front of a store.