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

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

Example Input: THEM: i would like one of each object.  YOU: no balls  THEM: so the book and one hat?  YOU: yes i think thats fair.
Example Output: Yes

Example Input: THEM: can i get the ball and one hat?  YOU: sure.
Example Output:
Yes

