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 would like the book and the hat.  YOU: i'd like the book and a ball  THEM: sorry, i need the book.  YOU: same. i don't think i can make a deal without the book. you sure you can't take the hat and even all three balls?  THEM: positive. i can take the book and give you the rest even. that's the only option i have.  YOU: honestly that's the only option i have as well. no deal.  THEM: no problem. no deal then.  YOU: i think we have to wait a moment for it to let us select no deal  THEM: i think if we send a certain amount of messages it'll pop up. no deal.  YOU: agreed, no deal.
Student:
No