Premise: A person waterskiing in a river with a large wall in the background.

Hypothesis: A dog waterskiing in a river with a large wall in the background.
Relation: contradiction

Hypothesis: A man waterskiing in a river with a large wall in the background.
Relation: neutral

Hypothesis: A person waterskiing in a river with a wall in the background.
Relation: entailment