instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: i need the book and the hats. YOU: the book and one hat for you is ok... i need 2 balls and one hat THEM: deal.
answer:
Yes

question:
THEM: want a hat? YOU: i want a basketball and either two books or a book and hat. THEM: i only have one basketball, 4 hats & 1 book YOU: i know for sure that i want the basketball. THEM: ok i want another book YOU: would you settle for the book and three hats? THEM: sure.
answer:
Yes

question:
THEM: what do you want? YOU: i want both books for sure, and ideally all the balls. what do you want? THEM: how about i take all the balls and you get the rest? YOU: can i have one of the balls and everything else? THEM: no, i'd like all the balls YOU: ok.
answer:
Yes