premise: Two men support a third, all dressed in army camouflage, as the third man extinguishes a flame some distance away outdoors in an abandoned urban desert environment. hypothesis: Men are fighting a fire outside.
entailment: "Two men support a third, all dressed in army camouflage, as the third man extinguishes a flame some distance away outdoors in an abandoned urban desert environment" is a description of men fighting a fire outside. An abandoned desert environment implies that it is outside. Extinguishing a flame is fighting a fire.