Anchor: A football player dodges a tackle from his opponent.
Entailed: A player dodges a tackle from his opponent.
Contradiction: A football player gets tackled by his opponent.
Contradiction: Though the importance of networking was stated clearly, no one mentioned any specific organizations. 
Contradiction: Teenagers are conversing with eachother.
Contradiction: The man ran away before he could get hurt.
Contradiction: The riders fell to the ground.