TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: give me the book and hats YOU: okay, i'll just take the balls.

SOLUTION: Yes

PROBLEM: THEM: i would like both books and the hat YOU: okay THEM: ok deal.

SOLUTION: Yes

PROBLEM: THEM: i'll take all the books, you can have the rest YOU: no deal i will offer you the hat THEM: nope. 2 books and the hat YOU: ill offer you no hats THEM: so i get the books and the balls? YOU: no you get nothing THEM: are you serious? no way. i want 3 books and the hat YOU: you get nothing THEM: no deal YOU: i will offer you nothing.

SOLUTION:
No