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

[EX Q]: THEM: i'd like the book and the hat.  YOU: if i can have the book and the balls you can have the hat  THEM: i have absolutely have to have atleast the book or i can't make a deal.  YOU: you can have the book if i can have the rest  THEM: deal.  YOU: great! thank you!
[EX A]: Yes

[EX Q]: THEM: i would like a book, a hat, and a ball.  YOU: i would like all the books and you can have the hat and ball  THEM: ok deal.  YOU: deal!
[EX A]: Yes

[EX Q]: THEM: if i can take the book and a ball, you can have a ball and all the hats  YOU: you can have the book but, i would need the rest  THEM: i would need at least a ball as well to make a deal  YOU: okay then if that is the best you can do we can make that deal.  THEM: great!
[EX A]:
Yes

