THEM: how about two books?  YOU: you want two books? deal  THEM: no, i will give you two books  YOU: no way, i need the hat and 2 books  THEM: i can do the hat and one book  YOU: the hat, 1 book and the ball  THEM: that doesn't work for me. i will take the hat and ball. you get four books?  YOU: no, that doesn't work i will take a hat and a book  THEM: deal.