Anchor: The black dog jumps out of the water with something in its mouth.
Entailed: The dog has caught something
Contradiction: The cat has caught a fish
Contradiction: Employers will not be able to join state established insurance-buying groups.
Contradiction: Communism collapsed under the weight of free elections.
Contradiction: Don't underestimate the veterans of the ring. 
Contradiction: The bill was voted down in 1998.