Anchor: A man makes a diving catch during a game of ultimate frisbee.
Entailed: There is a man making a diving catch.
Contradiction: There is a woman making a diving catch.
Contradiction: A man has his hands in his lap.
Contradiction: Two people are standing outside.
Contradiction: The GAO has authority to do the requested work.  
Contradiction: The walk from Agii Deka to Gertis is not very long.