Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: hello, can i please just have the basketballs? they have a low value, but i love basketball.  YOU: and you don't want anything else? can you give up one of the balls?  THEM: na, both please.  YOU: okay, if i can have the rest.
Output:
Yes