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: i will take the balls and the hat and you can have the books.  YOU: i will take the books and at least one ball.  THEM: how about i take the balls and you can have the rest.  YOU: the hat has no points for me.  THEM: well i will take a ball and the hat then.
Student:
Yes