premise: A young man wearing a green shirt and a hat attempts a trick on a skateboard while riding it in a skate park next to a beach. hypothesis: There is a person skateboarding.
entailment: Person, refers to the young man with a green shirt and a hat.|entailment: Young man is person, and on a skateboard is skateboarding.|entailment: Trick on a skateboard can only be performed while skateboarding.