THEM: id like one ball please and i will give you 2 hats  YOU: ok. so i will take 2 hats and one book  THEM: how about one book and one hat?  YOU: seriously? i want three items.  THEM: i will give you 3 hats  YOU: no thanks. i want 2 hats and one book or one hat one book one ball. take your pic  THEM: 2 hats and one book for one ball  YOU: ok. i am taking two hats and one book then  THEM: ok and i get one ball.