Anchor: A man rides his bike over a stair handrail.
Entailed: a man is doing bike tricks
Contradiction: a man fell when trying to perform a trick
Contradiction: a man is riding a skateboard
Contradiction: The agencies don't need incentives to stay ever vigilant, so it doesn't act in that way.
Contradiction: The Bugis were excited merchants and also skilled sailors.
Contradiction: Mike Smith stayed with the Phillies and never left.