instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: hi i would like the hats and ball and you can have the books YOU: i need the ball and the books THEM: ok, i can do that.
answer:
Yes

question:
THEM: so i get 1 book, two of the hats? YOU: sounds fair THEM: ok.
answer:
Yes

question:
THEM: i would like both balls and both hats. YOU: gimme a hat to go with my book THEM: deal.
answer:
Yes