everybody,somebody,anybody and nobody

This is story about 4 people,
everybody , somebody, anybody and nobody. There was an important job to be done and everybody was asked to do it.Everybody was sure somebody would do it.Anybody could have do it. But nobody did it.

Somebody got angry about that because it was everybody's job. Everybody thought it was anybody could do it.But nobody realized that everybody wouldn't do it. It ended up that everybody blamed somebody when actually nobody asked anybody.