THEM: ill take the book and the hats  YOU: no thanks. i would like 1 book and 2 hats. you can have the 3 balls.  THEM: the balls are worthless to me  YOU: they're worthless to me too.  THEM: shoot. how we gonna do this then?  YOU: how about i get the book and 1 hat?  THEM: how about taking just the hats?  YOU: 2 hats for me and the rest for you? i think i'd be able to deal with that.  THEM: ok deal.