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 hyperhomocysteinaemia related to risk of distal somatic polyneuropathy : the Hoorn Study?
Answer: Although a weak relation (as judged from the confidence intervals) cannot be excluded, we conclude that hyperhomocysteinaemia is probably not related to risk of distal somatic polyneuropathy.
Output:
no