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

THEM: i would like 2 books, you can have the rest YOU: ok deal.
Yes

THEM: i only need the book - the rest can be yours YOU: deal THEM: sounds good - thank you.
Yes

THEM: can i have the ball, 1 book and 1 hat YOU: i'll give you the ball and two books if you give me both hats THEM: ok i do need the ball, and i could deal with 2 books also, is that your final offer? or can we trade a hat for a book? YOU: yeah i think that might be my final.
Yes