instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
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: i'd like hat and books. YOU: hats are worth three for me so no. THEM: then i'll take books. you can have the rest.
answer:
Yes

question:
THEM: hello. i'd love the ball and a book. YOU: deal THEM: thanks!
answer:
Yes