instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: i would only like the book YOU: i can not give up the book. would you be willing to make another deal? THEM: well, how about that then YOU: would you be willing to give up the book at all?
answer:
No

question:
THEM: what do you want? YOU: the books THEM: ok YOU: ok.
answer:
Yes

question:
THEM: i need the hat and 1 ball YOU: i need hat, no nice THEM: i take the hat you take the rest YOU: ok.
answer:
No