Anchor: Woks and any other gadgets essential for Chinese cookery make good purchases.
Entailed: Good purchases are Woks or other Chinese cookery gadgets.
Contradiction: Woks are a bad purchase.
Contradiction: He was always at war with West Germany.
Contradiction: There were many people walking across the bridge.
Contradiction: I think that's the same side.
Contradiction: Peer pressure never found a foothold over a span of decades.