Anchor: A balancing act on one wheel of a bicycle looks much easier than it probably really is!
Entailed: Person balances on one wheel of bike.
Contradiction: Man rides a tricycle on the patio.
Contradiction: Horse hunting never occurred in the American plains. 
Contradiction: A group of actors are performing a thoman the tank engine themed play.
Contradiction: A conservative American was his successor. 
Contradiction: The little dog is running outside.