TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i'd like all the balls please  YOU: that works for me. you can have the balls and i will get everything else.

SOLUTION: Yes

PROBLEM: THEM: i want three hats and the book.  YOU: can i have the book?  THEM: ok, i can live without it.  YOU: ok, so book and ball?

SOLUTION: Yes

PROBLEM: THEM: you can keep all the balls.  YOU: i need the hat too  THEM: ok.

SOLUTION:
No

