instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: i'd like to take the hats and the book YOU: what is of most value to you - the book or both hats? THEM: i'd rather have the book YOU: ok. would you be willing to take the book and i get two hats and two balls?
answer:
Yes

question:
THEM: one book one hat for me YOU: if i take the ball i need three books THEM: no deal YOU: i will also take the hat and the ball THEM: give me three books you take the rest YOU: deal THEM: deal.
answer:
Yes

question:
THEM: i don't want any basketballs YOU: ok, can i have a few other objects in addition to the balls? THEM: want any books? YOU: can i have both? THEM: if i can have the hats, you can have both books and all the balls. YOU: deal.
answer:
Yes