Anchor: Three children and an adult paddle a canoe down a heavily forested river.
Entailed: A group of people are paddling down the river.
Contradiction: Three children fell overboard and are swimming down the river.
Contradiction: The little girl is kicking the ball.
Contradiction: The percentage of children on Ritalin used to be lower at some point in the past.
Contradiction: You can't get a family membership because you don't have a family.
Contradiction: It might work, but it would suck.