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: Is muscle dysfunction during exercise of a single skeletal muscle in rats with congestive heart failure associated with reduced muscle blood supply?
Answer: The cause of contractile dysfunction in a single exercising skeletal muscle in rats with CHF cannot be explained simply by reduced blood supply. In addition, absence of changes in high-energy phosphates and metabolites indicate that the oxidative metabolism of SOL is intact in rats with CHF.
[EX A]: no

[EX Q]: Question: Does overexpression of long noncoding RNA HOTAIR predict a poor prognosis in patients with cervical cancer?
Answer: our data indicate that high expression of HOTAIR is involved in cervical cancer progression and could be a potential target for diagnosis and gene therapy.
[EX A]: yes

[EX Q]: Question: Does the use of 0.25 % zinc pyrithione spray enhance the efficacy of clobetasol propionate 0.05 % foam in the treatment of psoriasis?
Answer: Zinc pyrithione spray does not appear to enhance the efficacy of clobetasol propionate foam after 2 weeks of therapy.
[EX A]:
no