Anchor: This man is wearing a white cap or hat.
Entailed: A man has an article of clothing that is white.
Contradiction: A bride is wearing a white hat.
Contradiction: Both women are black.
Contradiction: I have noticed that technical literature mentions both metric units and the English equivalent.
Contradiction: They are not in agreement that the world is like that. 
Contradiction: A woman in a dress wearing sunglasses.