The Theory, by A. Elk (that's "A" for Anne", it's not by a elk.)

[ahem] This theory, which belongs to me, is as follows...

[cough] This is how it goes...

[hack] The next thing that I am about to say is my theory.

[Ahem!] Ready?

The Theory, by A. Elk [Miss]. My theory is along the following lines:

All brontosauruses are thin at one end.
Much, much thicker in the middle.
And then thin again at the far end.

That is the theory that I have and which is mine and what it is, too.