Premise: Five people are skydiving and two of them have green and yellow smoke coming off of them.

Hypothesis: Five people are skydiving, two of them are emitting troubling green and yellow smoke
Relation: neutral

Hypothesis: Five people are skydiving, two of them are emitting green and yellow smoke
Relation: entailment

Hypothesis: Five people are skydiving, two of them are emitting purple and yellow smoke
Relation: contradiction