Part 1. Definition
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Part 2. 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.
Answer: No
Explanation: Both participants do not agree to the deal, so the answer is No.
Part 3. Exercise
THEM: hey, the book and the hat are very important to me  YOU: i think we might both be in the same boat  THEM: do you want all the basketballs and i keep the hat and book?  YOU: that's not going to work for me, what's more valuable to you the hat or the book? maybe we can each get one then split the bballs?  THEM: i keep the book and all the balls then?  YOU: i'll give you the book and 2 balls  THEM: ok.
Answer:
Yes