Anchor: Two workers are working on a elaborate scaffolding along side a tall building.
Entailed: Two of the workers were working on an elaborate scaffolding system along the side of a tall building.
Contradiction: Fifty ladies were dating twenty different men for the first time at the bar.
Contradiction: There is an empty street, devoid of any human activity.
Contradiction: Ben Franklin knew how to play a musical instrument. 
Contradiction: A man put his hand down to kill a fly.
Contradiction: A boy in a tri-colored shirt has his arms out to the side.