Anchor: Poor soil on the flat terrain leading to foothills or on sandy mountain-ridges produces only low, stunted trees with thick leaves.
Entailed: Poor soil leads to thick-leaved, short trees.
Contradiction: Poor soil produces trees with thin leaves.
Contradiction: I don't have any cards.
Contradiction: I agree that it shouldn't be required.
Contradiction: A woman throws a baseball.
Contradiction: The whole thing was flawless.