Teacher:Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Teacher: Now, understand the problem? Solve this instance: THEM: how about i get the hats and ball, you can have the books?  YOU: books are dr. seuss, i am uninterested  THEM: trade the ball for a book? or do you just not want books at all  YOU: ball and books to me, rest to you  THEM: ok, it's a deal.
Student:
Yes