Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: you take both hats, i take both books and a ball YOU: no way, you can take the hats, i want the ball and books. THEM: not a chance YOU: well how about i take the ball and 2 hats and oyu take the books. THEM: okay YOU: deal, you take the books, i get the rest.
Output:
Yes