Anchor: The backbone of the Guelfs was in communes such as Florence and Genoa.
Entailed: In communes such as Florence and Genoa, was the backbone of the Guelfs.
Contradiction: Genoa and Florence were not the backbone of the Guelfs.
Contradiction: The horse didn't race because the jockey was sick today and stayed home.
Contradiction: Moving forward is the more important thing.
Contradiction: Men lay in the hall.
Contradiction: Students at Rhode Island School of Design created a kitchen design.