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

Q: THEM: i would like the books and ball.  YOU: i need both books to make a deal  THEM: i can't give up the books. do you want anything else?  YOU: nothing else has any value to me  THEM: interested in splitting the books?  YOU: can't finish with 5 points : (  THEM: less than that for me.  YOU: so no deal  THEM: you sure we can't work something out?  YOU: no, the math just doesn't work  THEM: ok. sorry.

A: No
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Q: THEM: how about 2 books and 2 balls for me, you can have the hat and the book?  YOU: i'd like hat and 1 ball. you can have the rest?  THEM: ok, i can do that. so i get 3 books and 1 ball, you get 1 hat 1 ball?  YOU: yep.

A: Yes
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Q: THEM: i'd like to grab a ball, a hat and the book  YOU: i need the hats you can have the ball and book  THEM: i can agree to that.

A:
Yes
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