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

[EX Q]: THEM: i'd like to grab a ball, a hat and the book YOU: i need the hats you can have the ball and book THEM: i can agree to that.
[EX A]: Yes

[EX Q]: THEM: i would like both balls. YOU: could you get by with just one of them? THEM: ok, i will take one ball and both books. YOU: how about you take both balls and i take the rest. THEM: deal.
[EX A]: Yes

[EX Q]: THEM: i would like the book and ball, you can have the 4 hats YOU: i have to have the ball. you can have the book and 2 hats. THEM: how about the book and 3 hats YOU: okay.
[EX A]:
Yes