Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i want the book and hats you can have the ball  YOU: i can't give you all the books and the hats, that's just not fair. i will give you all of the books  THEM: both books and one hat, life is not fair  YOU: no, i need the ball and both hats.  THEM: going to have to give up a hat  YOU: nope, like you said, life is not fair.  THEM: well no deal then  YOU: okay, then i guess there will be no deal  THEM: no deal  YOU: no deal.
Output:
No