Anchor: Three people in a boat float on the water at sunset.
Entailed: A boat floating in the water at sunset has three people in it.
Contradiction: A lifeguard is pulling a limp body to shore.
Contradiction: The girl is hitting the tetherball.
Contradiction: They're in a bit of a catch-22. 
Contradiction: They would never have any extra money to spare.
Contradiction: She fell as a horse raced by.