Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: hi i would like the hat and balls and you can have the books  YOU: i can't make a deal without the hat, it's too valuable. i'd also like the books. no use for the balls.  THEM: i cant make a deal without it either. looks like we wont be reaching a deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal.
Output:
No