Anchor: Mostly when they do they're strays or bred from strays escaped from horse thieves or Indians.
Entailed: Some of the horses are bred from strays escaped from horse thieves or Indians.
Contradiction: Indians have never had use for horses during any part of their history.
Contradiction: There are no trails in the park for hiking.
Contradiction: The men are awake.
Contradiction: He has only been around for ten years and he will likely leave.
Contradiction: A man is going for a walk.