TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: i would like both books and a hat  YOU: i can not make that deal. i need the books as well. can we split the difference? you can have one book and the hat and i can have the book, the hat and the ball?  THEM: i just want the books  YOU: i need the books as well. i can not make a deal without a least one  THEM: ok, one hat one book  YOU: i need the ball as well  THEM: yea you get one ball, book, hat  YOU: okay deal.

SOLUTION: Yes

PROBLEM: THEM: hello, can i have the hat and book? you can have all 4 balls  YOU: sure! deal  THEM: thank you.

SOLUTION: Yes

PROBLEM: THEM: i'll trade 1 ball for 1 hat  YOU: how about you take all 3 balls and i'll take the rest?  THEM: no deal  YOU: i need at least a hat and a book  THEM: i need a hat  YOU: i do as well  THEM: how about a hat for two books  YOU: balls have 0 value for me  THEM: how about i give you a book for two balls  YOU: ok.

SOLUTION:
No

