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

[Q]: THEM: i can offer the ball  YOU: i'd be content with a ball and a book  THEM: i can offer the ball and a hat, i need the books  YOU: okay.
[A]: Yes


[Q]: THEM: i would like the book and a hat please  YOU: i also want the book along with the ball and 1 hat.
[A]: No


[Q]: THEM: i would love the books and the ball  YOU: sounds good.
[A]:
Yes


