Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
One example: THEM: i need the hats and the ball  YOU: i can give you one hat and the ball. i want 2 books and 1 hat  THEM: i have to have both hats and the ball or both hats and a book to make a deal  YOU: sorry, i won`t make a deal without a hat  THEM: if you take 1 hat i have to have everything else  YOU: sorry can`t do  THEM: no deal  YOU: yesh no deal, sorry  THEM: no deal  YOU: no deal.
Solution is here: No
Explanation: Both participants do not agree to the deal, so the answer is No.

Now, solve this: THEM: hello - i'd like the ball and two books. you can have the two hats.  YOU: i can't agree to that, i would like two books and a hat.  THEM: i can't agree to that. i definitely need the two books.  YOU: i would like a book, a hat, and a ball.  THEM: can't do that either. at the very least, i can do a ball and one book.  YOU: i won't agree to that so i guess we don't have a deal.  THEM: ok, no deal then.  YOU: yep no deal.  THEM: no deal  YOU: no deal.
Solution:
No