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: Does complications during set-up procedures for laparoscopy in gynecology : open laparoscopy reduce the risk of major complications?
Answer: Open laparoscopy does not reduce the risk of major complications during the set-up procedures for laparoscopy. Randomized prospective trials are indispensable for comparing the risks involved with the classic technique and those of open laparoscopy.
A:
no