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

THEM: can i have ball and 2 hats?  YOU: yes to the ball and even a book, but i must take umbrage at relinquishing any of the hats  THEM: book is 0 for me. how about ball and 1 hat?  YOU: it is not ideal but a reasonable request and i will agree  THEM: thanks.
Yes

THEM: i just want the balls  YOU: as long as i can have everything else?  THEM: sure.
Yes

THEM: give me books and hats  YOU: no, i need all books and 1 of each book and hat.  THEM: i need all books or no deal  YOU: actually i need all hats and you can have books but i need balls  THEM: all books to me, you get rest  YOU: deal. confirming that i'm taking all hats and balls?

Yes

