Anchor: The floating steel-and-concrete jetties and pontoons, hauled across the English Channel, were the only way of unloading tanks and heavy artillery on a coastline (Gold Beach) without natural harbors.
Entailed: The only way to unload tanks was by using floating steel-and-concrete jetties and pontoons.
Contradiction: The steel-and-concrete jetties and pontoons were ineffectual at carrying the weight.
Contradiction: Gold Beach is a coastline which has many natural harbors.
Contradiction: A man don't want to take his dog outdoor.
Contradiction: A child is outside.
Contradiction: The man is on jupiter.