Anchor: A small girl wearing a purple jacket sitting in the grass next to a doll in a nearly identical outfit.
Entailed: The small girl is sitting in the grass.
Contradiction: The small girl is standing in the grass.
Contradiction: Professor D, the great 231 alienist, was absent. 
Contradiction: Their constituents want them to do something.
Contradiction: Two men are standing next to each other wearing turbans with one person's arm on the other's shoulder.
Contradiction: These are planets abundant in hydrogen, ammonia, and methane.