THEM: if i can have the hat and the balls you can have the books  YOU: i just need the hat and 1 book  THEM: i can not give up the hat. i need the hat and one ball and you can have the two books and one ball if that will work for you  YOU: i'll take the books and the ball and you get the hat  THEM: okay so you get the books and one ball?  YOU: deal  THEM: okay great! thank you!