Anchor: Calling bused students cogs in an experimental machine, Potter declared that all vestiges of harm wrought by the Jim Crow-era dual school system have evaporated.
Entailed: Potter claims that the damage done by dual schools is gone.
Contradiction: Potter declared that the Jim Crow-era dual school system is still hurting youth today.
Contradiction: Millie was a dog during President Nixon's time in office. 
Contradiction: Four people walk down the street.
Contradiction: the two people are on a motorcycle
Contradiction: There is a window in the vehicle.