TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: give me the books and hat  YOU: deal.

SOLUTION: No

PROBLEM: THEM: i'd like the ball and 2 books.  YOU: deal.

SOLUTION: Yes

PROBLEM: THEM: i'd like hat and books.  YOU: hats are worth three for me so no.  THEM: then i'll take books. you can have the rest.

SOLUTION:
Yes

