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 elevated plasma aldosterone an independent risk factor for erectile dysfunction in men?
Answer: We determined that elevated plasma aldosterone concentration is an independent risk factor for ED. Our findings also indicate that the aldosterone, a well-recognized contributor to vascular injury, might be a potential bond between ED and CVD.
Output:
yes