Anchor: His task is to lance the bull's huge shoulder muscles; it's unattractive but necessary, both to weaken the bull and to lower his head for the kill.
Entailed: To weaken the bull, its shoulder muscles must be lanced.
Contradiction: The bull's shoulder muscles do not have to be lanced to weaken the bull.
Contradiction: We have never suggested anything being established to coordinate homeland security policy.
Contradiction: I had expected exactly that.
Contradiction: Nobody is running
Contradiction: A woman with dark hair is cleaning her dishes.