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

[EX Q]: THEM: i will give you both hats if you give me both balls YOU: i'll take the ball, the rest to you THEM: deal.
[EX A]: No

[EX Q]: THEM: balls and hats for me YOU: can i have one ball and the book? THEM: yes deal.
[EX A]: Yes

[EX Q]: THEM: let's keep it simple. you get all hats and i get the book and ball. YOU: i get ball and 3 hats THEM: i can do that if you take the book instead of the ball. YOU: book and 4 hats for me will work THEM: done!
[EX A]:
Yes