TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: hi i would like the hat and ball and you can have the books  YOU: would you trade the hat for a book?  THEM: no im sorry, i cant do that.  YOU: ok, i accept your initial offer then.  THEM: thank you.

SOLUTION: No

PROBLEM: THEM: book and 2 balls to me  YOU: deal.

SOLUTION: Yes

PROBLEM: THEM: i'll take the ball, you can have the rest  YOU: done deal.

SOLUTION:
Yes

