Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: if i can have the book and the ball you can have the hats  YOU: i have to have the ball  THEM: you can have the ball if i can have everything else  YOU: how about the ball and 1 hat  THEM: okay that works.
Output:
Yes