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

[EX Q]: THEM: give me the book and the hat. YOU: oh no i want the book and the hat THEM: okay. i'll just take the balls. and you can have the book and hat. YOU: deal.
[EX A]: Yes

[EX Q]: THEM: you take the books and i get the hat and ball YOU: i can not make that deal. i need the ball and two books THEM: i can't make a deal without the ball YOU: i can not either. no deal. i'm sorry. THEM: no deal then YOU: no deal. THEM: no deal YOU: no deal. THEM: no deal YOU: no deal.
[EX A]: No

[EX Q]: THEM: hi i would like the hat and ball and you can have the books YOU: would you trade the hat for a book? THEM: no im sorry, i cant do that. YOU: ok, i accept your initial offer then. THEM: thank you.
[EX A]:
No