Anchor: that's about as tough as nope that's just keep us off a rock and we'll just let the let the stream take us down river and all that
Entailed: We should stay off the rocks and then we can let the stream take us down river.
Contradiction: That is the very thing that will put us on the rocks.
Contradiction: Two people jumped off the dock.
Contradiction: The dogs are running near the water.
Contradiction: A boy kicks a ball.
Contradiction: There was no other solution to the greatness of this structure.