premise: Young man performing a skateboard trick on a sidewalk in a city. hypothesis: There is a guy performing a skill on a skateboard on the sidewalk in a metropolitan area.
entailment: Performing a skateboard trick requires skill, and a city may also be considered a metropolitan area.|entailment: You have to be on a skateboard to perform a skateboard trick.|entailment: a young man is a guy. a trick on a skateboard is a skill. a city is a metropolitan area.