Anchor: a snowboarder is riding his board on ramp made from a piece of metal and a log.
Entailed: A person is outside snowboarding.
Contradiction: A man is riding a unicycle.
Contradiction: The girl is sitting and reading a book in the pathway.
Contradiction: A worker is painting.
Contradiction: You were the aggressors every single time.
Contradiction: You think no one is going to the bathroom upstream so it should be safe to drink.