THEM: i would like the ball and both hats.  YOU: i need the ball as well. is there any other combination that works for you?  THEM: i can't do anything without the ball, i would need the ball and at least 1 hat.  YOU: it seems we won't be able to reach a deal then.  THEM: agreed. no deal.  YOU: no deal.  THEM: no deal.  YOU: no deal  THEM: no deal.  YOU: no deal.