Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
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Question: THEM: i just want the balls YOU: one ball THEM: no deal YOU: no deal THEM: no deal YOU: ok how about you get both balls THEM: deal.

Answer: Yes

Question: THEM: i would like the balls. YOU: i need at least one ball and the hat and the book THEM: i can't do that. i can give you 1 ball and the book. YOU: that will not work. i need the hat and two balls THEM: i need atleast 2 balls. YOU: you can have two balls if i can have the rest THEM: that will have to work. YOU: okay great! thank you!

Answer: Yes

Question: THEM: hi, i would like the books and hat and you can have the balls YOU: sorry, i need the hat, but you can have the books. THEM: the only way i can let go of the hat is to get all the books and the balls YOU: okay. i can work with that. i'll take the 1 hat and you can get the rest of the 4. THEM: ok deal. thanks.

Answer:
Yes