Anchor: You try ridin' with th' bumps awhile, not agin them! 
Entailed: You should try riding with the bumps for a while.
Contradiction: You should not try to ride with the bumps, not even for a moment.
Contradiction: There are kittens sitting on a chair.
Contradiction: There are people on the beach.
Contradiction: Stay in the city for as long as possible.
Contradiction: A soccer team is huddled together.