Anchor: A man is doing tricks on a bicycle on ramps in front of a crowd.
Entailed: The man is performing for the crowd.
Contradiction: The man is about to fall very hard.
Contradiction: man driving his car
Contradiction: Enjoying the weather isn't one of the reasons they are there.
Contradiction: Two black and white dogs are not being walked
Contradiction: There are a lot of buildings next to each other where I live.