Q: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
THEM: you can have both balls if i can have the hat and books  YOU: i need the books. i can take one book and two balls and the hat if you want the two books  THEM: i need the hat, and both balls. you can have all of the books  YOU: okay that works!
A:
Yes