THEM: ill take the books and the balls you can have the hats.  YOU: i'll take the hats and 1 book. you can have the balls  THEM: cant give the books up i would give you the hats and a ball.  YOU: that doesn't work for me. i am willing to split the books but i can' ; t give them both up  THEM: ok you get 1 book and the hats i get 1 book and the balls.  YOU: deal.