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

[Q]: THEM: what would you like  YOU: i need the books and the ball.  THEM: how about being fair, you take all books and i keep the rest  YOU: deal.  THEM: deal.
[A]: Yes


[Q]: THEM: what do you want?  YOU: the books  THEM: ok  YOU: ok.
[A]: Yes


[Q]: THEM: i need 2 hats and the ball.  YOU: i'd need three hats with two books  THEM: i need the ball and two other items.  YOU: i can't make the maths work on that  THEM: no deal i guess.  YOU: no deal  THEM: no deal  YOU: no deal  THEM: you need to select no deal button  YOU: i can't until we have a certain number of exchanges first.
[A]:
No


