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

Ex Input:
THEM: i would like the book and all the hats. YOU: deal THEM: that works for you?

Ex Output:
Yes

Ex Input:
THEM: i want to get my hands on that ball if possible YOU: sane here...... nothing else has much value THEM: it could work if you take the ball and i get the rest? YOU: yes THEM: okay!

Ex Output:
Yes

Ex Input:
THEM: i need the hat and the books please YOU: you can have the books but, i need everything else THEM: can i take 2 books and the hat? YOU: no deal. i need the hat and one ball you can have the books and a ball THEM: don't need the balls at all. YOU: okay well i can not make a deal without getting the hat.. so if we can not agree to that no deal. THEM: i guess i can do just the books if there is absolutely no other way. YOU: no other way unless you want the books and one ball THEM: dont need any balls. okay i get the books and you get everything else. deal? YOU: deal. thank you!

Ex Output:
Yes