Anchor: A deep sea diver explores wreckage.
Entailed: A person is underwater.
Contradiction: The deep sea diver eats calamari.
Contradiction: During the 70s there were absolutely no protests.
Contradiction: A soccer player is wearing the number 24
Contradiction: The man jumped in to save a cat.
Contradiction: Finding the highest safe concentration of substances is what chronic aquatic toxicity tests are designed to do.