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.

Ex Input:
Question: Is meconium ileus in cystic fibrosis linked to central repetitive region length variation in MUC1 , MUC2 , and MUC5AC?
Answer: The genetic length variants in the central repetitive region of three MUC genes studied are not associated with MI in subjects with CF.

Ex Output:
no


Ex Input:
Question: Does alirocumab , a Therapeutic Human Antibody to PCSK9 , Affect CD81 Levels or Hepatitis C Virus Entry and Replication into Hepatocytes?
Answer: These results suggest that inhibition of PCSK9 with alirocumab has no effect on CD81 and does not result in increased susceptibility to HCV entry.

Ex Output:
no


Ex Input:
Question: Are lipid levels in HIV-positive men receiving anti-retroviral therapy associated with copy number variation of reverse cholesterol transport pathway genes?
Answer: Whole gene CNV is uncommon in RCT pathway genes, and not a major factor in the development of highly active antiretroviral therapy (HAART) associated dyslipidemia.

Ex Output:

no