Anchor: A black and white dog runs through grass.
Entailed: The dog is more than one color.
Contradiction: The dog is taking a nap on the porch.
Contradiction: A woman is helping her son.
Contradiction: There is a long discussion on the steps that were taken.
Contradiction: A dog is running accross a field with a ball.
Contradiction: Monsanto ceased the development of infertile seeds in the face of considerable public pressure