instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: i would like 2 books and 2 balls  YOU: i could not give up both books  THEM: how about one book and 3 balls  YOU: i would need the hat, one book, and one ball  THEM: deal.
answer:
Yes


question:
THEM: i would like both balls.  YOU: could you get by with just one of them?  THEM: ok, i will take one ball and both books.  YOU: how about you take both balls and i take the rest.  THEM: deal.
answer:
Yes


question:
THEM: i'd like two balls and a book please kindly  YOU: i need hat and book you get 3 balls  THEM: sounds fair to me.
answer:

Yes


