THEM: i'd like the hats. rest is negotiable.  YOU: i couldn't give them all up. i'd need at least one. and the balls.  THEM: any chance you can re - evaluate your points? the hats are the only thing of value to me.  YOU: i don't think it's broken down the way you're thinking. they also have value to me.  THEM: alright, i'll concede with 2 hats and the book?  YOU: one hat and the balls for me.