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

THEM: i'd like the hats and the book. YOU: deal.
Yes

THEM: hi, i want the book and 2 balls. you can have the hats YOU: i'm okay with the hats but i think i'd like at least one ball THEM: thats the only thing i get points. can handle that YOU: i'll go ahead and take the 2 hats then, you can have the rest THEM: deal.
Yes

THEM: i would like the ball and hat, you have 3 books.... YOU: sorry i need the hat with those books THEM: i can take the ball, YOU: so ball for you rest for me THEM: well i think we should discuss other items still. i am not happy with just a ball YOU: well i is a very nice ball but what else were you looking for. THEM: i am looking for that fancy hat to keep me shaded when i play with my ball YOU: i don't have any leeway on the hat. perhaps a book for when you are done playing. THEM: hmm, ok maybe could i have 2 books, i read fast! YOU: just one i'm sure you would falll asleep on the second after all that exercise THEM: ok.
Yes