Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i need the hat and two books YOU: take two books and a ball THEM: i want the hat and two books YOU: i'll give you a single book then THEM: no deal YOU: no deal. THEM: hit the no deal button YOU: just take the deal THEM: what deal YOU: one book one hat THEM: give me two balls to.
Output:
No