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.

Question: Does adult male circumcision reduce the risk of incident Neisseria gonorrhoeae , Chlamydia trachomatis , or Trichomonas vaginalis infection : results from a randomized , controlled trial in Kenya?
Answer: Circumcision of men in this population did not reduce their risk of acquiring these nonulcerative STIs. Improved STI control will require more-effective STI management, including partner treatment and behavioral risk reduction counseling.
no