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

THEM: i'd like the hats and the basketball ; are the books of high value to you? YOU: no they are not. i would need both balls THEM: ick, books are nothing to me ; maybe 2 hats and 1 ball for me? you get books and 1 ball as well? YOU: sure.
Yes