Q: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
THEM: i want the ball and hats  YOU: i have the have the ball and the books  THEM: you can have the books, and one hat - i need the ball  YOU: i can't make a deal without the ball  THEM: okay, then i get both hats, you get the rest  YOU: okay.
A:
Yes