Q: 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 transvaginal Prolift ( ®️ ) mesh surgery due to advanced pelvic organ prolapse impair female sexual function : a prospective study?
Answer: Surgical treatment of advanced POP with the Prolift(®️) system does not negatively influence sexual function, but patients should not expect a significant improvement after this type of operation. Additionally performed surgical restoration of perineal body does not reduce sexual function, either.
A:
no