Anchor: A person is riding an orange kayak down a series of short waterfalls and rapids.
Entailed: A person is riding a kayak down a short waterfall.
Contradiction: A  person is tying an orange kayak to the top of his car.
Contradiction: That would show a jump of about two-thirds.
Contradiction: The video camera recorded everything.
Contradiction: This document has no compilation of standards.
Contradiction: The bars are strong enough to hold a person's weight.