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 the hats and the book. YOU: how about 1 hat and the book THEM: how about both hats? YOU: so i get both balls and you get both hats and the book? that works for me THEM: deal.

Answer: Yes

Question: THEM: i'll take the ball and a book YOU: i will take both of your hats. THEM: sure YOU: great.

Answer: No

Question: THEM: can i have a hat please? YOU: you can have 1 hat and 2 balls. does that work? THEM: sounds great to me.

Answer:
No