TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i just want the ball and hat YOU: hat is all i need THEM: deal YOU: alright so i will take the hat and you get 3 books and the ball deal? THEM: deal.

SOLUTION: Yes

PROBLEM: THEM: ill give you the hats YOU: i want the hats and one ball THEM: that works for me YOU: deal.

SOLUTION: Yes

PROBLEM: THEM: if i can have the balls and the hat you can have the book YOU: i need hat and book THEM: would you be willing to accept one or the other? YOU: gimme hat and a ball THEM: okay if that is the best you can do. deal.

SOLUTION:
No