Anchor: (In a land where anyone can become president, anyone who doesn't become president is a failure.)
Entailed: If you don't want to become president then you are a failure.
Contradiction: If you don't want to become president then you are a success.
Contradiction: a man sleeps on the sidewalk homeless
Contradiction: In a crowded buliding are these two men talking.
Contradiction: a little boy is helping make breakfast
Contradiction: People are playing a game.