TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: gimme hats and ball YOU: i want three hats and the book THEM: so do i, YOU: you cant have everything mate THEM: but, thats not what memaw says YOU: i want the ball and two hats then THEM: ok.

SOLUTION: Yes

PROBLEM: THEM: i really need a ball but i could use a hat YOU: i need a ball, too! but you can have it, if you give me the rest THEM: sorry i have to have the ball. YOU: i'll give you the ball if you give me the rest THEM: that's fair.

SOLUTION: Yes

PROBLEM: THEM: i would like the balls and another item. YOU: you can have balls and 1 book THEM: i agree to that. YOU: ok sounds good.

SOLUTION:
Yes