Premise: A guy is on a skateboard jumping up in the air with the skateboard, he is wearing a black sleeves shirt and white shorts and white tennis shoes, there is pavement and trees and buildings.

Hypothesis: A man is swimming in the ocean.
Relation: contradiction

Hypothesis:  A guy is on a skateboard jumping up in the air.
Relation: entailment

Hypothesis:  A guy is on a skateboard jumping up in the air and laughing.
Relation: neutral