Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i would like the hat and you can have the rest.  YOU: i need the hat and the ball  THEM: i have got to have the hat or i can't make a deal.  YOU: ok, i will go with 3 books and the ball  THEM: ok deal.
Output:
Yes