You will be given a definition of a task first, then some input of the task.
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: gimme hats and a book  YOU: can`t give you the books. i want the balls and the books, it`s just fair  THEM: give me hats and one ball  YOU: ok deal.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Yes