Anchor: One dog is chasing another dog that is carrying something in its mouth along the beach.
Entailed: two dogs are on the sand
Contradiction: two dogs swim in the ocean.
Contradiction: The men are watching football on television.
Contradiction: That would work to a certain degree, because some kids misbehave.
Contradiction: The singer is playing guitar on stage.
Contradiction: These programs will have to provide benefits over longer periods of time as life expectancies rise.