Anchor: When you buy a couple of kilos, they'll ship it for you in air-tight packages.
Entailed: The shipping process of more than one kg involves air-tight packages.
Contradiction: Whatever the quantity of the product, the package is the same.
Contradiction: He suggested a 50% tax.
Contradiction: A city worker is cleaning
Contradiction: North of the Invalides is the Ecole Militaire, where officers have slept since the early 16th century. 
Contradiction: Philosophy and theology are extolled.