TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i would really like the book  YOU: i rather like the book also. how about i get the book, you get the ball and we split the hats evenly.  THEM: i don't want the hats, i only want the book  YOU: yes, i want the book also. i'll let you have the ball and three hats.  THEM: i don't want the ball  YOU: we seem to have reached an impasse then. i need that book.  THEM: i need the book also.  YOU: best offer i can make is i get the book, you get everything else.  THEM: sorry, but that doesn't work for me. i only want the book  YOU: i'm afraid we won't be able to reach a deal then.

SOLUTION: No

PROBLEM: THEM: can i have the two hats and the books?  YOU: i need books and balls  THEM: ok i will take the hats and you can have the rest  YOU: deal.

SOLUTION: No

PROBLEM: THEM: hey i want to give you all the books for the hat and ball  YOU: okay deal.

SOLUTION:
No

