Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: you take the books and i get the hat and ball  YOU: i can not make that deal. i need the ball and two books  THEM: i can't make a deal without the ball  YOU: i can not either. no deal. i'm sorry.  THEM: no deal then  YOU: no deal.  THEM: no deal  YOU: no deal.  THEM: no deal  YOU: no deal.
Output:
No