THEM: what would you like?  YOU: i would like both hats and the book.  THEM: you can have the book but i would also like both hats and one ball  YOU: sorry, i can't give up any hats on my side.  THEM: this makes me sad and i can not either. what if we both take one hat?  YOU: i'll take a hat and a book then and you can have the rest?  THEM: i could take one hat and 3 balls....  YOU: there are only 2 balls  THEM: i meant 2 balls, my eyes were making extra!  YOU: ok, 1 hat and 1 book for me then.