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 would like 2 books. you can have the rest YOU: deal.

Answer: Yes

Question: THEM: i would like the hat and two balls YOU: you can have the balls if i get the hat and a book THEM: ok. i will take the balls, and one book. you can have the hat and one book.

Answer: Yes

Question: THEM: i would like one of each item please YOU: sorry, i need all the hat THEM: ok, you can have all of the hats, if i get the rest YOU: sure, deal.

Answer:
Yes