premise: Two girls jumping on a trampoline, one upright and the other landing on her back, in a backyard. hypothesis: There are girls on a trampoline.
entailment: "There are girls on a trampoline"  is a rephrasing is a backyard.|entailment: Jumping on a trampoline means the girls are on a trampoline.|entailment: Girls jumping on a trampoline and landing in various positions are simply just girls on a trampoline.