Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: hi, i would like the balls and hat and you can have the book YOU: i will take the book but i also need the hat THEM: ok, i can do that YOU: ok you get all 3 balls? THEM: yes.
Yes

THEM: 1 hat 2 balls for m YOU: gimme the hat and books THEM: 1 ball 1 hat 2 books for me YOU: i need hat or no deal THEM: no deal YOU: agreed.
No

THEM: i really need a hat. YOU: you can have the hat if i get everything else THEM: gladly.
Yes