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

THEM: i'd like both books YOU: i can't give you both books, how about i give you 1 book THEM: both books and you get everything else YOU: no i really need at least 1 book. i can give you 2 hats and 1 book THEM: deal.
Yes