Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: i can offer you one ball.  YOU: ha, i need the hat and 2 balls  THEM: i can give you all the balls if you give me everything else  YOU: i need another item with the balls to make that work  THEM: i can offer you the balls and one book  YOU: okay.
Yes

THEM: if i can have the book and the hats you can have the balls  YOU: yeah i need the book and all balls and you keep the rest  THEM: i can not make a deal without the book  YOU: so you keep only book then  THEM: okay that's fine. deal.  YOU: book is ten for you?  THEM: no, it is 6.
Yes

THEM: i think you would look good in those hats if i get the rest  YOU: only if i can get the books as well  THEM: the ball is a good start, but i need two more items on top of it  YOU: the books and the hats are worth the same as the ball alone, this way we would be even  THEM: they are worth different amounts to both of us, that's the point.

No

