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

Q: THEM: i want the book and ball  YOU: i need the book. you can have everything else.  THEM: deal.

A: Yes
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Q: THEM: i'd like the books and balls, you can have the hats  YOU: ill take the hats but i need the balls as well  THEM: i need at least one ball and all the books. deal?  YOU: i can offer you the books and 1 hat  THEM: hats are worthless to me. i'll take books, you can have the rest  YOU: ok deal.

A: Yes
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Q: THEM: i'd like the book and the basketball.  YOU: are you willing to take one of the hats instead of the book?  THEM: i'll take the book, and all the hats. you can keep the basketball  YOU: ok.

A:
Yes
****
