Anchor: The lady is holding a purple ribbon.
Entailed: A human holding a ribbon
Contradiction: Nobody is holding anything.
Contradiction: A yellow brick road leading to a sorcerer.
Contradiction: Nagano Olympics appeared on Newsweek's cover instead of the usual scandal. 
Contradiction: I had always suspected that she was up to no good.
Contradiction: A man holds a yellow ball while a black dog jumps for it.