Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: ball for me and i give all else... cant beat that  YOU: no can do  THEM: well then we aint gonna deal... ball is 10 for me  YOU: ok then keep sending messages  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: nope  YOU: nope.
Output:
No