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.
Input: Question: Is clinical success of intrauterine insemination cycles affected by the sperm preparation time?
Answer: The observance of TSP in the range of 40-80 minutes has a potential positive effect on pregnancy rate, while not requiring the investment of supplemental resources. This finding awaits confirmation in randomized trials.
Output:
yes