THEM: the book is critical for me. can't live without it. waht's going on for you?  YOU: i was wanting the book and the ball  THEM: those are the only things i'd want too. what do we do?  YOU: i will take the ball and three hats. you can have the rest  THEM: the hats are worthless to me, so you should take them all. i'll just take the book?  YOU: ok.