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

THEM: what is most valuable to you?  YOU: need books and one ball  THEM: the balls are valuable to me as well. i would prefer the hat and two balls, and i would be glad to give you the books.  YOU: can i get both books and the hat?  THEM: no, i definitely need the hat. sorry. i might be able to compromise with the hat and just one ball, i suppose.  YOU: gimme books and one ball then  THEM: okay. that's fair.
Yes