Premise: A dark-skinned man in white shirts and a black sleeveless shirt flips his skateboard on a cement surface surrounded by tall buildings and palm trees.

Hypothesis: a man sitting down builds a tall building and eats a palm tree
Relation: contradiction

Hypothesis: a man flips his skateboard on a cement surface
Relation: entailment

Hypothesis: a man does a skateboarding trick on a cement surface
Relation: entailment