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 the cowboy hats and books, please.  YOU: i have to have book. you can have the rest.  THEM: sounds good.

SOLUTION: No

PROBLEM: THEM: i would like two balls and two books  YOU: i can not give up both books. i can give you one book and two balls  THEM: that sounds fair  YOU: okay thank you!

SOLUTION: Yes

PROBLEM: THEM: i need book you can have rest  YOU: alrighty.

SOLUTION:
No

