TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: how about i give you all four hats for a basketball?  YOU: as long as i can keep the book.  THEM: sounds good.

SOLUTION: Yes

PROBLEM: THEM: i need the book and 1 hat and you could keep 1 hat and all the balls  YOU: if you are going to take the book i need both hats and three balls  THEM: okay then i will just take the book and you keep all the rest  YOU: okay deal. thank you.

SOLUTION: Yes

PROBLEM: THEM: i would like a hat and a ball  YOU: i would like the a hat, a ball and the book.

SOLUTION:
Yes

