Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i really need the book to study with and 1 of the balls.  YOU: i need the book  THEM: if i don't get the book, i will fail an important class. how about you can take all of the balls if i get the book?  YOU: you can have the book, if i can get everything else.
Output:
Yes