Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: gimme balls YOU: you can have all the balls if i get the hat and the book.
Yes

THEM: i really need a hat but i do like to read YOU: the book is very important to me, but i will accept letting the hat go. plus it looks better on you anyway! do the balls hold any value to you or mind if i grabbed them with the book? THEM: how about i take 1 ball and the hat and you get the rest YOU: deal.
Yes

THEM: i'm interested in the book and both balls, or the book and one hat YOU: i would like to have both hats and the book. i will definitely give you both balls if you agree to this. THEM: i can't agree to that YOU: would you take the book and one ball, and i will take the rest? THEM: that would be great with me YOU: deal THEM: deal.
Yes