THEM: id like the book and the ball, you may have all hats  YOU: i really need the book. you can have the ball and two hats?  THEM: the book is my main thing too. i can take book and a hat  YOU: i won't be able to make a deal unless i get the book unfortunately  THEM: ok, give me the rest and you can have the book  YOU: that's fine.  THEM: deal.