TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: hi, i need the book and the 2 hats. you can have 4 balls YOU: you can have the book and 1 hat if i can have the balls and 1 hat.

SOLUTION: Yes

PROBLEM: THEM: you can have one book YOU: ha, you can take all the book, i will take the hats and the ball THEM: i want the ball and the books YOU: i get the hats THEM: you get the hats and nothing else YOU: sounds good.

SOLUTION: Yes

PROBLEM: THEM: i would like the balls and the hats YOU: you can have the balls or the hats, i can not do both THEM: how about the balls and 1 hat YOU: no i can not do that. its already going to be a stretch if i give you one or the other. THEM: i can take just the balls YOU: is the a deal then?

SOLUTION:
Yes