Anchor: Black and white dog has blue ball in mouth.
Entailed: An animal is carrying a ball
Contradiction: Black and white dog has red ball in mouth
Contradiction: We were refused a copy of the full text.
Contradiction: It is important that accountants understand their work has implications in the grand scheme of things.
Contradiction: Was Littleton not a watershed?
Contradiction: One errant program can't bring the whole computer to its knees.