TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i want the hats and a book  YOU: you can have the hats. but i have to have the book.

SOLUTION: Yes

PROBLEM: THEM: i want the ball and both books  YOU: okay.

SOLUTION: Yes

PROBLEM: THEM: i could go for the balls  YOU: you get the balls i get the rest.

SOLUTION:
Yes

