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

THEM: i can give you two balls if that works. YOU: can i have two balls and the book? THEM: i really need the hat and book to make this work. how about i give you all three balls YOU: i need the hate and book as well. i can take the book and one ball and you can have the hat and two balls. THEM: the balls are useless to me. i need the hat and book or we can't make a deal YOU: we don't have a deal then. THEM: are you sure you can't take all three balls? YOU: i'm sure. the balls are useless to me as well. THEM: how about i give you the book and you give me everything else then. YOU: ok, deal.
Yes