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

[EX Q]: THEM: i'd like the book and the hat.  YOU: if i can have the book and the balls you can have the hat  THEM: i have absolutely have to have atleast the book or i can't make a deal.  YOU: you can have the book if i can have the rest  THEM: deal.  YOU: great! thank you!
[EX A]: Yes

[EX Q]: THEM: i will take the books and the hat you can have the basketball  YOU: can i have the basketball and the hat?  THEM: sure that sounds like a great deal  YOU: okay, i will take the basketball and the hat, and you can have the 3 books. thank you.
[EX A]: Yes

[EX Q]: THEM: i'd love to have all the hats.  YOU: you can have all the hats if i have the balls and book  THEM: ok  YOU: please mark accordingly, thanks for the deal.
[EX A]:
Yes

