Anchor: As Herman Melville once famously asked in Moby-Dick , why don't whales collapse under the pressure of all the water they swim under?
Entailed: Melville wrote Moby-Dick.
Contradiction: Marshall wrote Moby-Dick.
Contradiction: The house did not finish impeachment in December. 
Contradiction: So you've tried this many times.
Contradiction: A woman pushing a baby stroller on a rainy day.
Contradiction: The sun creates problems for six men looking in its direction.