Anchor: We frequently are asked whether a program has been implemented and, often, whether implementation is in compliance with congressional intent.
Entailed: Often, we are asked if a program is in line with the intent of Congress.
Contradiction: Program intent, and implementation, are never questioned. 
Contradiction: Our door is always blank.
Contradiction: The dogs are standing
Contradiction: A dog is running in the grass.
Contradiction: Over time the catalyst in coal-fired units would have to be replenished.