>Wife sends her husband, a programmer, to the grocery:
>
>- Buy a pack of butter. If they have eggs, buy ten.
>
>He comes back with:
>
>- I bought ten packs of butter, because they did have eggs.
>
Did she send you back to get the eggs? < s >



>------
>p.s. Our youngest daughter couldn't spot the flaw - definitely a geek in the making :)