Anchor: Eight Workmen are building a steel scaffold.
Entailed: Construction workers are helping build a scaffold.
Contradiction: People are reading in a library.
Contradiction: There is no guide to facilitate decision making in Congress. 
Contradiction: Two children are playing outdoors.
Contradiction: The beautiful second tower built in the 19th century is still standing today.
Contradiction: FUnding agencies should encourage alcohol screening in the ER.