Anchor: Dog swims in the water
Entailed: There is a wet animal.
Contradiction: There is a dry animal.
Contradiction: The only aroma in the air inside is freshly ground coffee.
Contradiction: Pleasure boats in local waters are only allowed for sailors that have been licensed by the authorities.
Contradiction: A woman is swimming the english channel.
Contradiction: The Jewish population of massacred in the 15th century.