Detailed Instructions: Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
Q: Question: Is preoperative Statin Use at the Time of Radical Prostatectomy Associated With Biochemical Recurrence or Pathologic Upgrading?
Answer: Preoperative statin use at the time of radical prostatectomy was not associated with biochemical recurrence or risk of pathologic upgrading in this cohort. These data add to the existing body of literature suggesting that statin use is not associated with more favorable clinical outcomes following radical prostatectomy.
A:
no