Q: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
THEM: i will givebook and ball for hats  YOU: would you be willing to give 1 hat also?  THEM: a hat for the ball?  YOU: no no i need the ball  THEM: ok, then 1 hat for 1 book  YOU: yes, so i get the ball and 1 hat and you get 3 hats 1 book.
A:
Yes