Anchor: The question is not how to eliminate injustice--which is, as always, impossible--but how to minimize it.
Entailed: The question is how to minimize injustice.
Contradiction: The question is how to eradicate injustice.
Contradiction: The GDP of the United States has remained unchanged forever. 
Contradiction: There is always another spot to go shopping just further down the street.
Contradiction: Two men are riding skateboards.
Contradiction: Kildare is the home of the national Hunt racing.