THEM: i would like the book.  YOU: i also want the book along with 2 balls  THEM: i'll give you the hats and one ball  YOU: i would compromise with book, 1 ball and 1 hat  THEM: okay, how about this. i'll give you everything else as long as i get the book.  YOU: okay  THEM: so i get the book and you get everything else. deal?  YOU: deal.