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

THEM: if i can have the book and hat, you can have everything else. YOU: how about i trade a ball for the book? THEM: if i have to give up the book, i'd need 3 balls. YOU: a ball for the hat instead then? THEM: same thing. if i have to give up the ball or hat, i'd need 3 balls YOU: ok, you can have 3 balls if i get the hat THEM: very well.
Yes