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.

Example Input: Question: Do older men with higher self-rated socioeconomic status have shorter telomeres?
Answer: men with higher self-rated socioeconomic status have shorter telomeres, possibly mediated through psychosocial rather than lifestyle factors or the presence of chronic disease. There may be cultural ethnic and age-related differences in social determinants of health.
Example Output: yes

Example Input: Question: Is branch segment occlusion with acute myocardial infarction a risk for left ventricular free wall rupture?
Answer: The incidence of LVFWR was higher in group B and branch segment occlusion was identified as an independent predictor of LVFWR.
Example Output: yes

Example Input: Question: Is upregulation of lipocalin-2 ( LCN2 ) in osteoarthritic cartilage necessary for cartilage destruction in mice?
Answer: Our observations collectively suggest that upregulation of LCN2 in OA cartilage is not sufficient or necessary for OA cartilage destruction in mice.
Example Output:
no