THEM: i can offer the balls  YOU: i need the hat and 1 book  THEM: i can't give the hat, i can offer the balls 1 book  YOU: i only have value for the hat  THEM: i guess we can't make a deal then, i lose if i give the hat up  YOU: i will come out badly but you take the hat and i get the rest?  THEM: no, i have to have at least the hat 1 book  YOU: no way cant do that  THEM: or i can offer the hat and 1 ball  YOU: me have the hat?  THEM: no, i worded that badly, i would need the hat and 1 ball, you have 1 book and both balls.