Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i would like a couple of books and either 1 hat or ball  YOU: lets split everything and each get one of each.  THEM: but i really need 2 books  YOU: so do i - so its only fair to split  THEM: in that case lets split down the middle - 1 of each  YOU: thats what i said lol  THEM: not good for me but i'll go with it  YOU: ok deal.
Output:
Yes