TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: hi  YOU: hello, cann i have the 2 balls?  THEM: sure.

SOLUTION: No

PROBLEM: THEM: hello, i would like the book and 2 of the remaining items, your preference  YOU: i also need the book  THEM: what's the book worth for you?  YOU: 6  THEM: okay, it's 5 for me, so i can let you have it, but i get the rest  YOU: sounds like a deal..

SOLUTION: Yes

PROBLEM: THEM: i'll take the balls and a book, you can have the rest  YOU: deal.

SOLUTION:
Yes

