THEM: hi, i need the hats and 2 books  YOU: ill take the ball but i would like a hat and 1 book as well  THEM: sorry that does not work for me. i really need the hats and 2 books  YOU: i can give you the hats but i would need everything else\  THEM: sorry no deal, i need at least one other item  YOU: how about you get the hats and 1 book?  THEM: ok deal.