Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i'd like 1 ball and 2 books  YOU: i can do 1 ball and 1 book  THEM: how about two ahts and one book for me?  YOU: cant do but i guess i can do the 1 ball and 2 books for you  THEM: ok. we have a deal then? for 1 ball and 2 books for me?
Output:
Yes