Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer '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: ill take four books YOU: if i can have the hat and ball that is a fair deal. THEM: thx.
[EX A]: Yes

[EX Q]: THEM: i just love those books and hats YOU: may i have one of the books in addition to the ball? THEM: i need both books, but i can give you both hats to go with the ball YOU: deal.
[EX A]:
Yes