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

THEM: hello i would like both books and both balls YOU: could i get at least the hat and 1 ball? you can have the rest THEM: that seems fair. do you absolutely need both items though? YOU: i do. in order to make it somewhat worthwile for me THEM: okay let's do it then. YOU: deal, thanks.
Yes