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

[EX Q]: THEM: i'd like 2 balls and 2 books please. YOU: you can have two balls and one book THEM: in order for that to work i'll also need 1 hat. YOU: no deal. you can have two balls and one hat THEM: that doesn't work, i'll take 2 balls and 1 book YOU: okay thank you.
[EX A]: No

[EX Q]: THEM: can i get the ball and one hat? YOU: sure.
[EX A]: Yes

[EX Q]: THEM: i want one book and one ball YOU: that books is rather valuable. i can let you have the book if i get everything else. THEM: two balls and two hats for the book YOU: how about you get the book and one hat. i get the other hat and all the balls? THEM: deal.
[EX A]:
Yes