TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: id like both books and the hat. YOU: more balls won't suffice. i really need a hat and a book. THEM: how about you get one hat and one ball, and i get two books and one ball. YOU: ok, i can do that. THEM: okay agreed. i get two books and one ball. you get the rest.

SOLUTION: Yes

PROBLEM: THEM: i will give you both hats if you give me both balls YOU: i'll take the ball, the rest to you THEM: deal.

SOLUTION: No

PROBLEM: THEM: may i have the ball please and a hat? YOU: i can not give up the ball. if you would like the hats, i can take everything else THEM: that won't work YOU: i can not make a deal without the ball and one book THEM: you can have the books but i need the ball YOU: i need the ball or i can not make a deal. it is worth too much to me THEM: me too. YOU: okay no deal. THEM: ok YOU: no deal.

SOLUTION:
No