Anchor: Two girls are competing in roller derby.
Entailed: There are some girls in rollerskates in a competition.
Contradiction: Two girls are competing in a grassy field.
Contradiction: a man is taking a photo of a shark while deep sea diving
Contradiction: This man is walking
Contradiction: The island is a desolate wasteland where nothing will grow.
Contradiction: The H-2A program has protections set forth to safeguard.