Detailed Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Problem:THEM: i'd like one ball, the rest to you  YOU: i'm interested in the ball, too. are you willing to negotiate?  THEM: no, i really want that ball  YOU: if you really can't part with it, then i guess i'll take the rest?  THEM: deal.
Solution:
Yes