Premise: Two runners, one in a red shirt and one in a black shirt, race in front of two men on a motorcycle.

Hypothesis: The men on the bikes are attempting to hunt down the runners.
Relation: contradiction

Hypothesis: Two runners are racing in front of men on motorcycles.
Relation: entailment

Hypothesis: The men on the motorycles are going slow, in order to give the runners a chance
Relation: neutral