Premise: Two young boys lounge on a tree going across a body of water.

Hypothesis: The boys are throwing snowballs at each other while the wind howls through the trees.
Relation: contradiction

Hypothesis: There are two children in this picture, and they are outside.
Relation: entailment

Hypothesis: The boys are hiding from their parents, who told them it is time to pack up and go home for the day.
Relation: neutral