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

THEM: i want the ball and both books  YOU: okay.
Yes

THEM: i would like the ball and the book.  YOU: i'd be happy with just the book  THEM: that's all you want?
Yes

THEM: i can offer you either a hat or a book  YOU: i would like all the hats.  THEM: can you do without all of them?  YOU: i can take three of them and either the book or ball  THEM: okay ill give you three hats and the book  YOU: deal.

Yes

