Anchor: A man does a trick on a skateboard at a skate park.
Entailed: A skateboarder doing a trick.
Contradiction: A snowboarder on the halfpipe at the XGames.
Contradiction: Observers insisted a lower standard would be best 
Contradiction: He watched with glee, as his pursuers fell for the decoy.
Contradiction: two kids are playing outside near the silver bars
Contradiction: Only a top level wagon could travel these trails.