THEM: i'd like the hat and books.  YOU: no deal ; i want 2 balls 2 books  THEM: how about you take one book and both balls? i'll take two books and the hat?  YOU: how about i take hat 1 book 1 ball?  THEM: no. you can have both balls, but i want the hat and at least two books.  YOU: i have to have at least 5 - 2 balls & 2 books  THEM: ok. you can have both balls and 2 books.