Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Q: THEM: a book and a ball. YOU: i'd need to have both hats and all the balls THEM: no. give me one of whichever is worse for you, the hat or the ball, plus the book. YOU: fine, you can have the book and one ball THEM: deal.
A:
Yes