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

Ex Input:
THEM: i want book and ball YOU: that only leaves me 3 points. what about splitting the hats, you can have the book and i'll take the ball? THEM: there are 4 hats, which are nothing for me, i need book & ball to get 3 YOU: that doesn't add up. the total points are 10. if the 4 books are worth nothing then the book and ball together have to equal 10. THEM: guess i didn't read the hats correctly, looked at wrong column ; i need book 2 hats YOU: that's fine.

Ex Output:
Yes

Ex Input:
THEM: i just want the balls YOU: one ball THEM: no deal YOU: no deal THEM: no deal YOU: ok how about you get both balls THEM: deal.

Ex Output:
Yes

Ex Input:
THEM: hello, can i have the books and balls? you can have the hats. YOU: can you give me one of the books, in that case? THEM: i will need at least the 2 books. would you like everything else? YOU: i don't need the balls, i'll just take the hats then. THEM: alright, deal. thank you.

Ex Output:
Yes