Anchor: a spectacular dunk by a professional player with white and yellow on
Entailed: the basketball player dunked the ball
Contradiction: the baseball player hit a home run
Contradiction: This period took place in recent times.
Contradiction: Two people on two bikes
Contradiction: Tanenhaus declares Alger Hiss to be an American hero. 
Contradiction: An avian takes off into the air from the body of water.