Premise: Young man performing a skateboard trick on a sidewalk in a city.

Hypothesis: A young man is on a farm.
Relation: contradiction

Hypothesis: A young man is perfoming a good skill on a skateboard on the sidewalk in a metropolitan area.
Relation: entailment

Hypothesis: There is a guy performing a skill on a skateboard on the sidewalk in a metropolitan area.
Relation: entailment