Anchor:  Ca'daan saw one of the riders, long-haired and young, nod.
Entailed: Ca'daan saw a rider nod.
Contradiction: Ca'daan couldn't see any of the riders.
Contradiction: Serious trekkers have very limited options when it comes to hikes.
Contradiction: I saw the damage that acid rain does to trees in Vermont.
Contradiction: No, of the Gray Eagle-Ariel line. 
Contradiction: Tires are painted bright colors and hung outside of dwellings.