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

Ex Input:
THEM: i'd like a book and a hat YOU: deal. THEM: cool..... i'll accept tht =)

Ex Output:
Yes

Ex Input:
THEM: i need both hats and one book YOU: what if i take the ball and one hat? THEM: i can do that YOU: okay deal.

Ex Output:
Yes

Ex Input:
THEM: i would like the balls, you may have the rest. YOU: the other items do not have value to me, i would like the balls THEM: i need the balls as well. how about we split the balls, and you take the rest? otherwise, i do not think we can make a deal. YOU: how do we split the balls if we already both have 2. THEM: i get one ball and you get everything else, is that ok? YOU: that works.

Ex Output:
No