TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: no deal button not appearing  YOU: we haven't even started. i want the ball and both hats.  THEM: i must have the ball.  YOU: i can't give up the ball either.  THEM: no deal  YOU: agreed. no deal.  THEM: but the no deal button isn't available.  YOU: i think we just keep chatting and it'll eventually pop up.  THEM: unfortunate waste of time.  YOU: agreed. no deal.

SOLUTION: No

PROBLEM: THEM: i take the balls and you can have the rest.  YOU: i need 2 balls and a book or a hat  THEM: how about 1 ball, a book, and a hat?  YOU: ok.

SOLUTION: Yes

PROBLEM: THEM: i'd like the ball and a hat please.  YOU: i need a ball and a book  THEM: i have to get the ball. i can give you both books if you want. but i need that ball.  YOU: i need both books and a hat then  THEM: you can have two books + hat. i'll take ball + hat  YOU: deal.

SOLUTION:
Yes

