THEM: i'll take books and balls if you want the hats  YOU: any chance i can get the ball as well  THEM: i can give you the ball but then i need all the books and hats  YOU: nope cant do that  THEM: i can do the ball and three hats if you can do the books  YOU: i dont want the books i want the hats and ball  THEM: i need the ball if not, i drop below 5 / 10  YOU: fine you can have the ball ill take the hats.