Detailed Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Problem:THEM: can i have the hat and two balls?  YOU: sorry, i can't agree to that deal. i need at least one ball, and i'd like the hat as well.  THEM: ok, how about the hat and one ball?  YOU: for you or for me?  THEM: for you  YOU: that seems fair to me. deal.
Solution:
Yes