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 hats and the ball.  YOU: unfortunately me too... which item is your most valuable? the ball?  THEM: i value the hats and the ball the same. which is more valuable for you?  YOU: hats and ball are the same ; do books hold any value to you?  THEM: a little. how about i take two hats and a book and you take the rest?  YOU: i suppose that's fair down the middle.  THEM: ok, i agree then.
Output:
Yes