Premise: Two men wearing white, one with a red belt one with a blue belt fight on a blue and red mat with another man refereeing.

Hypothesis: The red belt and blue belt meet on the mat for the karate match of their lives, refereed by their mentor.
Relation: neutral

Hypothesis: A couple of guys in white are interacting with each other.
Relation: entailment

Hypothesis: Two men in white bathrobes, one with a red belt and one with a blue belt, are relaxing in a sauna.
Relation: contradiction