premise: Two young girls hang tinsel on a Christmas tree in a room with blue curtains. hypothesis: Two girls are decorating their Christmas tree.
entailment: When you hang tinsel on a tree, you're decorating it.|entailment: If the girls hang tinsel on the Christmas tree, they are decorating the tree.|entailment: " decorating the Christmas tree" is a rephrasing of "hanging tinsel on a Christmas tree".