THEM: ok you keep balls and i keep the rest  YOU: no, i need all the books and the balls  THEM: your nice, so that gives me a whoppinng one hat  YOU: ok well what about one ball  THEM: no  YOU: well what about i take the books and you can have the rest  THEM: no deal  YOU: well what if i take three books and one ball  THEM: how about two balls and one book for you  YOU: no, i can't do that  THEM: no deal.