Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i need the ball and 1 hat please.  YOU: sorry i really need the ball and book. you can have the hat  THEM: i really need the ball. you can have the book and the hats if i can have the ball.  YOU: sorry i cant make a deal without the ball.  THEM: i can't make a deal without the ball either. i guess we have no deal.  YOU: ok, i understand  THEM: no deal.  YOU: i agree  THEM: that button should come up soon. no deal.  YOU: yeah just waiting on it.
Output:
No