Premise: A older model blue van being driven with a bunch of items strapped on the top of the roof of the van.

Hypothesis: A dog chases its own tail.
Relation: contradiction

Hypothesis:  An older model blue van with prayer flags on top of the roof.
Relation: neutral

Hypothesis:  A blue van being driven with a bunch of items strapped on the top of the roof of the van.
Relation: entailment