Definition: 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 angiotensin II type 2 receptor gene responsible for familial vesicoureteral reflux?
Answer: Although the AT2 gene has been reported to have a role in developmental anomalies of the kidney and ureter, our data indicate that it is not involved in the pathogenesis of primary familial vesicoureteral reflux.
Output:
no