Once upon a time, there were four people; Their names were
Everybody, Somebody, Nobody and Anybody.

Whenever there was an important job to be done, Everybody was
Sure that Somebody would do it. Anybody could have done it, but
Nobody did it.

When Nobody did it, Everybody got angry because it was
Everybody's job.

Everybody thought that Somebody would do it, but Nobody realized
That Nobody would do it.

So consequently Everybody blamed Somebody when Nobody did what.
Anybody could have done in the first place