THEM: hi, i need the two hats and a book and you could keep the ball and 2 books  YOU: you can have all the books if i can keep the ball and the hats  THEM: no i need the 2 hats and atleast one book its a fair deal  YOU: i do not need the books. i do need the ball and 1 hat.  THEM: okay then one hat you could take and i will take one as well and all the books. you could have the ball and one hat  YOU: that sounds like a deal to me. agreed.