[it is evening on the front porch of a small cabin in the woods. a lantern placed on a porch table gives off a soft glow. the buzzing of insects and croaking of frogs can be heard in the distance. now and then there is the sound of water splashing, as if a fish has jumped in a pond. a gray-haired woman in her sixties rocks back and forth in a rocking chair on the porch. her granddaughter, an 8-year-old girl, sits nearby, eating a cookie. it is obvious that there is great affection between the grandmother and girl, in the way they speak to each other.] to whom might these stage directions be most useful? to an actor in the play to someone reading the play to a reviewer of the play to a viewer of the play