Anchor: A man on a surfboard is surfing, while a large wave is crashing.
Entailed: a man surfing
Contradiction: a man sleeping on the beach
Contradiction: Three people are having a picnic in a meadow
Contradiction: There is a demand for catalyst due to the Clear Skies Act.
Contradiction: Everyone's saying that the team is going to have a great year if spring training is any indication.
Contradiction: The man is underneath something