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 Q]: 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 A]: no

[EX Q]: Question: Does electrical stimulation prior to delayed reinnervation enhance recovery in muscles of rats?
Answer: The primary factors that inhibited reinnervation and recovery following delayed reinnervation were not alleviated by the electrical stimulation during the period of muscle denervation.
[EX A]: no

[EX Q]: Question: Is xanthelasma associated with increased risk of carotid atherosclerosis in normolipidaemia?
Answer: Normolipidaemia with xanthelasma is not significantly associated with CA, but did relate with adverse cardiovascular profiles, such as higher BMI, waist circumference and LDL-C levels.
[EX A]:
no