premise: A young barefoot girl wearing a helmet walks down a mossy covered fallen down tree. hypothesis: A female child, with no shoes but a helmet on,  walks on top of a tree that has fallen down.
entailment: a young girl is a female child.|entailment: Young barefoot girl is a female child, and walks down is a rephrasing of walks on top of.|entailment: If the girl is barefoot, she has no shoes on.