TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i will take the hat and the ball you can have all the books.  YOU: now see, i promised my dying son i'd play one last game of basketball with him. i need that ball.  THEM: alright, alright - you take the books and the ball. i will ride off on my horse with that hat.  YOU: thanks. its a deal.

SOLUTION: Yes

PROBLEM: THEM: you can have both balls if i can have the books and hat  YOU: i need 2 books and the balls  THEM: i cannot give up two books as they are most valuable to me. i could give you one  YOU: ok how about i take 2 balls and 1 book  THEM: deal.

SOLUTION: Yes

PROBLEM: THEM: i'll give you all of the hats, if i can have the book and ball  YOU: i would like the basketball and and 2 hats you can have the rest  THEM: ok. i'll take the book and 2 hats.

SOLUTION:
Yes

