instruction:
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
question:
THEM: give me balls and books YOU: i would like one book and 2 balls THEM: give me all balls and hats YOU: i would like 2 hats and 1 book THEM: deal.
answer:
Yes

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 would be happy with both balls YOU: okay you can have both balls but i would like the rest.
answer:
Yes