Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i'd like the ball and two hats  YOU: i also want the ball, but i want the ball and the book.  THEM: i really need that ball. i could even do the ball and one book. or the ball and the hat.  YOU: the only way i can give up the ball is if i take all the hats and the book  THEM: i can give you three hats and the book, but not all  YOU: i can't do that deal  THEM: we might be at an impasse then. might be no deal.  YOU: i don't think we can reach an agreement.  THEM: yes i agree. going to have to say no deal.  YOU: the no deal button is grey for me.
Output:
No