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: Is leucine 7-proline 7 polymorphism in the signal peptide of neuropeptide Y a risk factor for exudative age-related macular degeneration?
Answer: Leu7Pro polymorphism in the signal peptide region of the human prepro-NPY is not a risk factor for exudative AMD.
A:
no