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

Ex Input:
THEM: ok you would like a hat and two balls, am i right? YOU: i need three hats and the book please THEM: not going to happen YOU: what would you like? THEM: book, two hats and one ball YOU: i need the hats. if i can have two hats and the book you can have the rest THEM: how about you take all hats and i keep the re'st YOU: okay deal.

Ex Output:
Yes

Ex Input:
THEM: if i can have the hats you can have everything else YOU: that works for me THEM: okay great! thank you!

Ex Output:
Yes

Ex Input:
THEM: what items do you want? YOU: the balls and 2 hats THEM: dream on. i'll take the hats - you get book and balls. YOU: how about balls 1 book and 1 hat THEM: i need the hats YOU: ok you take the hats THEM: okay - you get 2 balls & book YOU: deal.

Ex Output:
Yes