TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: how about the book and the hat for me? YOU: ok, sounds good THEM: deal.

SOLUTION: Yes

PROBLEM: THEM: i will take hat, 1 book, and 1 basketball, you can have 2 books YOU: i need a hat and a ball... you can have all the books THEM: no can do i need the hat and 2 books YOU: i need the hat as well...... books are zero value on my end THEM: i can't give up the hat. i will take the hat you can have the rest YOU: again, i get zero value on the books THEM: well i can't give up the hat so don't have anything else to offer YOU: ok... click on the no deal button and we can go to the next deal THEM: have to wait for it to turn green YOU: ok.

SOLUTION: No

PROBLEM: THEM: give me three hats YOU: deal.

SOLUTION:
Yes