Anchor: Two males are riding horses chasing after a cow in a red wooden arena.
Entailed: In  the  red  wooden  arena ,the  cows  where  being  chased by  two  men  on  horses.
Contradiction: the  cows  chased  the  two  males
Contradiction: The grand institution was never developed.
Contradiction: They'll have the police chasing them if they do.
Contradiction: Linda Tripp makes less than most troops in Iraq.
Contradiction: The engineering drawings contain the critical manufacturing processes.