Anchor: A pitbull dog chasing a red ball.
Entailed: An animal is going after a red ball.
Contradiction: The pitbull is asleep in bed.
Contradiction: All money counts, except that received from audience members.
Contradiction: Hikers, boaters and sightseers go to Keswick every summer.
Contradiction: The man is swimming naked.
Contradiction: A person cleans.