instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: you can have the balls and one hat if i can have both books and one hat YOU: the books are valuable to me, and i cannot part with them. how about you take both hats and a ball? THEM: the books are valuable to me as well. i can agree to one hat and one book YOU: you can have both hats and one book. THEM: deal.
answer:
Yes

question:
THEM: hi i would like the hat and ball and you can have the books YOU: would you trade the hat for a book? THEM: no im sorry, i cant do that. YOU: ok, i accept your initial offer then. THEM: thank you.
answer:
No

question:
THEM: i'll take the hat and ball, ok? YOU: i need ball, you have rest THEM: ok.
answer:
Yes