TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i would like the ball and the hats. YOU: if i can have one hat and all the books, that'd be good. THEM: i think we can make that work.

SOLUTION: Yes

PROBLEM: THEM: can i take all the balls and a hat? or 2 balls and both hats? YOU: ok both books and one bal for me THEM: that works. have a good day! YOU: g'day.

SOLUTION: Yes

PROBLEM: THEM: what would you like YOU: basketball THEM: i will give you the basketballs if i get the rest YOU: ok.

SOLUTION:
Yes