Premise: Two dirt bikers- one in black and red, sporting number 64, the other in blue and white displaying a red "21"- round the corner of a tree-lined track.

Hypothesis: There are two people and two motorbikes in this picture.
Relation: entailment

Hypothesis: One man pushes the other man down the hill on the sled as onlookers laugh.
Relation: contradiction

Hypothesis: The two bikers, both friends and competitors, round the final curve of the final race of the season.
Relation: neutral