Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i just want the book and balls and you can have all of the hats  YOU: really close on a deal. you can have the book i want the hats and 1 ball.  THEM: unfortunately i cannot give up the balls, but i will compromise and give you the book and hats and i will jsut take the balls  YOU: i will give you the book and balls. i will take the 2 hats then.  THEM: deal!  YOU: deal.
Output:
Yes