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: if i can have some of them hats that would be nice.  YOU: i want you to have those hats, i really do... but i can only give them both to you if i get the rest  THEM: well i wanted 1 hat and both balls? how does that sound?  YOU: i was going to give those balls to my kids. how about i give you both hats and a book?  THEM: that would be fine.
Student:
Yes