Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: give me hat and balls  YOU: that's a low deal for me  THEM: gimme hat and 2 balls  YOU: no way  THEM: gimme hat and 2 books  YOU: i cant give you the hat  THEM: then we no deal  YOU: we have no deal then  THEM: yup  YOU: no deal.
Output:
No