them.

  `I'm sure I'm not Ada,' she said, `for her hair goes in such
long ringlets, and mine doesn't go in ringlets at all; and I'm
sure I can't be Mabel, for I know all sorts of things, and she,
oh! she knows such a very little!  Besides, SHE'S she, and I'm I,
and--oh dear, how puzzling it all is!  I'll try if I know all the
things I used to know.  Let me see:  four times five is twelve,