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'd like to get two basketballs and one hat  YOU: can you trade either a ball or hat for a book?  THEM: i'll let go of the hat  YOU: could you trade another book for a ball or is that too much?  THEM: i need at least two basketballs  YOU: ok, so 1 book, 1 hat, 1 ball for me, 1 balls and 1 book for you?  THEM: yes so its 2 basketballs and 1 book for me. and you get 1 of each. is that okay with you?  YOU: oops yeah sorry, meant to say 2 balls for you. wish this thing would let me type again haha.  THEM: yeah that works out for me  YOU: cool, it'sa deal.
Student:
Yes