Anchor: Red Rock Canyon just 20 minutes from the Strip, boasts some of the best rock climbing in the western United States.
Entailed: Red Rock Canyon has amazing rock climbing.
Contradiction: Red Rock Canyon is good for flat hiking.
Contradiction: Nothing comes to mind when I look into my cases. 
Contradiction: I would feel great if I ever learned how to use one.
Contradiction: There are at least four keys to go over.
Contradiction: A person standing on tracks in front of two bridges.