Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

Ex Input:
THEM: you take the balls, i take the books and the hat  YOU: i keep the hat you take everything else  THEM: i can't do that, i need the hat or no deal  YOU: same here, no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal.

Ex Output:
No


Ex Input:
THEM: hey there! how do you feel about letting me take the book and the balls in exchange for the hats to you?  YOU: i don't really want to give up the book  THEM: unfortunately that's the only thing of value i have. so i can't really part with it.  YOU: so there is absolutley nothing else of value other than the book???  THEM: the balls have minimal value ; i'd be willing to give you 2 balls, 2 hats for 1 book, 1 ball?  YOU: i will take the 2 hats and 2 balls thanks.

Ex Output:
Yes


Ex Input:
THEM: hi  YOU: hello. can i please have the hat and books?  THEM: you can have the books, if i can have the hat  YOU: how about the hat and two books for me and a book and ball for you?  THEM: ok, that sounds good  YOU: cool, thank you.  THEM: you are welcome.

Ex Output:

Yes


