>I'm reminded of a dry cleaning place which had an unnecessary space in
>the sign:
>
>CLEAN YOUR
>DR APES.
>
>Now, I don't know how many people have an ape, let alone one with a
>doctorate, but I'm pretty sure that there aren't many apes that
>require dry cleaning. The intersection of these things would seem to
>be rather small.

Apes able to call themselves "doctor" are more common than you might think, although they would probably react badly to dry cleaning.