TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: you take the balls, i take the books and the hat YOU: i keep the hat you take everything else THEM: i can't do that, i need the hat or no deal YOU: same here, no deal THEM: no deal YOU: no deal THEM: no deal YOU: no deal THEM: no deal YOU: no deal.

SOLUTION: No

PROBLEM: THEM: i'll take the hat and 2 of the balls. you can have the book and 2 balls. YOU: could you trade the hat for some balls? THEM: no, i must have the hat. YOU: ok, well i can go with your original offter. the book and 2 balls. THEM: sounds good.

SOLUTION: Yes

PROBLEM: THEM: i'll take the ball and a book YOU: i will take both of your hats. THEM: sure YOU: great.

SOLUTION:
No