Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i would like the balls, i can offer you the hats. YOU: i'll give you 3 balls if i can take the rest. THEM: agreed YOU: to reiterate, i'm taking 1 book, 2 hats. THEM: works for me.
Output:
Yes