THEM: hi, i would like the book and balls and you can have the hat  YOU: i need book  THEM: in order for you to get the book iwould need everything else  YOU: one ball at leat  THEM: sorry, i need all 3 balls to make it worth it  YOU: so only the balls  THEM: and the hat  YOU: no hat  THEM: ok no deal  YOU: ok one hat and two balls  THEM: nope sorry. looks like we wont be making a deal  YOU: ok fine hat and 3 bals  THEM: deal.