Anchor: He's ridin' th' rough string for Rennie.
Entailed: He is riding on behalf of Rennie.
Contradiction: He is not doing anything for Rennie.
Contradiction: The children are arm wrestling.
Contradiction: The man standing with a group of others is writing something on a clipboard.
Contradiction: He is diving in the sea
Contradiction: A man is riding his bike on the road.