Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: 2 balls for me and 2 hats and a book for you? YOU: i'll trade you a book for a hat or ball THEM: huh? i just want the two balls YOU: i need one ball at least THEM: ok, one ball, one hat and one book for me, one ball and one hat for you? YOU: i want two hats and a ball THEM: it irks me but i can live with it.
Output:
Yes