Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i have been searching for a cowboy hat my entire life. could i please have it  YOU: i need the hat as well. are you willing to part with it?  THEM: i can part with anything it is just my life long dream to own a hat just like that.  YOU: okay, if i can have the hat and the book you can have the balls.
Output:
No