TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i'd like the ball. you can have the rest.  YOU: deal.

SOLUTION: Yes

PROBLEM: THEM: you take all hats and i keep the rest  YOU: no, i want the hats and two balls  THEM: one ball  YOU: 2 balls  THEM: one ball  YOU: 2 balls  THEM: no balls  YOU: 2 balls  THEM: ok deal, hats and two balls.

SOLUTION: Yes

PROBLEM: THEM: i need one hat, and one book please  YOU: ok deal.

SOLUTION:
Yes

