TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: want a hat? YOU: i want a basketball and either two books or a book and hat. THEM: i only have one basketball, 4 hats & 1 book YOU: i know for sure that i want the basketball. THEM: ok i want another book YOU: would you settle for the book and three hats? THEM: sure.

SOLUTION: Yes

PROBLEM: THEM: i would like the hat 1 book and 1 ball YOU: i need the balls and you can have everything else THEM: ok.

SOLUTION: Yes

PROBLEM: THEM: i'd like two balls and a book please YOU: i can't do that. i need the book, and either two hats or two balls. THEM: i'll give you the book, and one hat YOU: no, i can't do that. i need either both hats, and a book, or both balls and a book. THEM: i can't do that. i need both balls and one hat. you can have the book i know you really want it. but only one hat. YOU: you can have both hats, i will take the balls and the book. THEM: nope, that doesnt work either. YOU: no deal then. THEM: hm i guess no deal YOU: sorry. i just can't.

SOLUTION:
No