Anchor: This requires establishing a supplier base and purchasing materials.
Entailed: Establishing a supplier and buying materials are required. 
Contradiction: You only need to find a supply base, that's it. 
Contradiction: The woman is sleeping in a hammock.
Contradiction: Hockey players on the ice rink.
Contradiction: Champagne houses are the least expensive places to buy champagne.
Contradiction: The donkeys are outdoors.