TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i would like the books and the hat.  YOU: i want the hat and ball, you keep the books  THEM: can have the books and the ball?  YOU: no i want the hat and the ball, or the hat and thebooks  THEM: none of those are going to work.  YOU: ok the hat and the ball, or the hat and two books for me?

SOLUTION: No

PROBLEM: THEM: i would like the hat, two books and 2 balls  YOU: gimme a book  THEM: okay, you could have one book. so, i could have one book, one hat and two balls?  YOU: ouch, no. gimme book and a ball  THEM: okay so you could have one book and one ball  YOU: ok, thanks sir / ma'am  THEM: so, i get one book, one ball and the hat is that a deal?  YOU: ok.

SOLUTION: Yes

PROBLEM: THEM: hi, i just want the 2 balls and 2 books  YOU: sorry no, i would like the 3 books and 2 hats  THEM: does not work for me. i really need 2 of each or it`s not fair on my side  YOU: the balls i have no issue with, but if you take 2 books then its unfair on my side  THEM: then no deal. sorry  YOU: okay, no deal  THEM: ok  YOU: you need to keep typing no deal til the green button appears  THEM: no deal  YOU: still no deal.

SOLUTION:
No

