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 2 balls and 2 books please. YOU: you can have two balls and one book THEM: in order for that to work i'll also need 1 hat. YOU: no deal. you can have two balls and one hat THEM: that doesn't work, i'll take 2 balls and 1 book YOU: okay thank you.

SOLUTION: No

PROBLEM: THEM: hello, may i have the hat and the balls? you can have 4 books. YOU: you can have the hat but, i would need the rest THEM: i will need at least the 2 balls. would you like the hat and 4 books? YOU: i need the balls as well. can we split them / THEM: okay, can i have 1 ball and the hat then? you can have 1 ball and the books YOU: deal. thank you.

SOLUTION: Yes

PROBLEM: THEM: i want the books and hats YOU: you can have hats, but i want at least 1 book and ball THEM: can i give you a hat and keep all the books for myself? YOU: hats have no value to me THEM: ok, 1 book for you with the ball.

SOLUTION:
Yes