Anchor: Two men wearing sunglasses.
Entailed: Both men have on at least one pair of sunglasses.
Contradiction: Two goldfish are riding bikes in a giant pile of mashed potatoes.
Contradiction: The device doesn't read sound files.
Contradiction: The dog leaps through the snow.
Contradiction: Only one type of biscuits can be bought in tins in the city.
Contradiction: I need to have an alcoholic beverage.