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'd like the ball and one hat YOU: you can have everthing except the ball THEM: i really need the ball, you can have the rets YOU: it seems there's no deal here THEM: right YOU: i think we have to waste a few lines first THEM: oh, ok, so i would still like the ball YOU: i too would still like the ball THEM: you can have the rest, smiles YOU: i can but i won't.

Answer: No

Question: THEM: i would like the book and a ball YOU: would you give up the book for both balls? THEM: no, i need the book YOU: ok, i agree to your first offer then.

Answer: Yes

Question: THEM: hello - i'd like the ball and two books. you can have the two hats. YOU: i can't agree to that, i would like two books and a hat. THEM: i can't agree to that. i definitely need the two books. YOU: i would like a book, a hat, and a ball. THEM: can't do that either. at the very least, i can do a ball and one book. YOU: i won't agree to that so i guess we don't have a deal. THEM: ok, no deal then. YOU: yep no deal. THEM: no deal YOU: no deal.

Answer:
No