Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
--------
Question: THEM: i'd like the ball and one hat YOU: i will let you have all the hats if i can have the ball and the book THEM: i'll let you have all the hats and the book if i can have the ball. YOU: ok, that deal works for me THEM: ok, deal.

Answer: Yes

Question: THEM: the ball and two books for me ; the hat and a book for you... whaddya say? YOU: i don't want books, so how about all the books for you and the rest to me THEM: i want that ball YOU: i take the ball, and you get the rest? THEM: its the same deal for me... the hat is 0. but i can live with just the books.

Answer: No

Question: THEM: i want the book and 3 hats YOU: no deal i need the book also THEM: well, phoo, but it happens YOU: you must have the book to make deal? THEM: yep YOU: then we will not be able to agree sadly THEM: so we just have to exchange msg's until we get the no deal option YOU: yes i know, this is sad! THEM: nd YOU: maybe next time we can make a deal.

Answer:
No