TASK DEFINITION: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
PROBLEM: THEM: could i get two hats and two balls? YOU: you can have 1 hat and all the balls THEM: sold.

SOLUTION: No

PROBLEM: THEM: i'll give you 1 of each YOU: okay i will accept that deal.

SOLUTION: No

PROBLEM: THEM: i get hats you get books and ball YOU: k THEM: its a deal YOU: i can only take 1 book THEM: okay. deal or no deal to above YOU: i get 1 book no hats and 1 ball THEM: deal.

SOLUTION:
No