Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: if i can have the books you can have everything else.  YOU: that is very tempting. however, how about you get three books and a ball?  THEM: i'd rather have 3 books and a hat.  YOU: i will give you four books and the ball!  THEM: deal.
Yes