instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: i would like the ball and the hats. YOU: if i can have one hat and all the books, that'd be good. THEM: i think we can make that work.
answer:
Yes

question:
THEM: i'll trade 1 ball for 1 hat YOU: how about you take all 3 balls and i'll take the rest? THEM: no deal YOU: i need at least a hat and a book THEM: i need a hat YOU: i do as well THEM: how about a hat for two books YOU: balls have 0 value for me THEM: how about i give you a book for two balls YOU: ok.
answer:
No

question:
THEM: i only want the ball YOU: ok i am cool with that THEM: you take the rest of the stuff and i get the ball. thank you.
answer:
Yes