Anchor: A reddish brown dog runs across the snow with a snowball in its mouth.
Entailed: There is snow on the ground.
Contradiction: It is 100 degrees outside.
Contradiction: The brown dog just chased a cat up a tree.
Contradiction: A man sells food.
Contradiction: By the 1900s, the area was full of peasants with no inclination to art.
Contradiction: Yes, and it sits in a drawer for more than five years.