instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: i want two hats and a book. YOU: i need the book and ball to make 6 / 10 THEM: take them. but give me all the hats.
answer:
Yes

question:
THEM: hello, i would like the book and 2 of the remaining items, your preference YOU: i also need the book THEM: what's the book worth for you? YOU: 6 THEM: okay, it's 5 for me, so i can let you have it, but i get the rest YOU: sounds like a deal..
answer:
Yes

question:
THEM: if i can have one of each you can have the other three balls YOU: i really only need the hat and one ball sir. THEM: okay you can have the hat and one ball and i will take the rest YOU: deal.
answer:
Yes