Premise: A man on a bike is riding past a yellow building that has been marked with graffiti.

Hypothesis: A man on a boat is riding past a purlpe building that has been painted with geese.
Relation: contradiction

Hypothesis: A man on a bike is riding past a red building that has been washed.
Relation: contradiction

Hypothesis: A man on a bike is riding past a yellow building
Relation: entailment