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

Ex Input:
THEM: you can have the hats YOU: ok THEM: so deal i take the book and ball you take the hats.

Ex Output:
Yes

Ex Input:
THEM: i would like the hat and the ball. YOU: how about you take the hat and 1 book THEM: deal. YOU: deal.

Ex Output:
Yes

Ex Input:
THEM: i need the books and the balls YOU: ill give you both balls for the books. THEM: that is not going to work - i need both books and 1 ball minimum YOU: in that case ill take the hat and both balls THEM: thats fine as long as i can get both books YOU: naw thats too easy no deal THEM: okay well then i need both books and a ball. or both balls and a book. YOU: i can give you both balls and a book THEM: deal.

Ex Output:
Yes