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: Are flexible magnets effective in decreasing pain perception and recovery time after muscle microinjury?
Answer: No significant therapeutic effects on pain control and muscular dysfunction were observed in subjects wearing flexible magnets.
[EX A]: no

[EX Q]: Question: Does adjuvant Stereotactic Radiosurgery reduce Need for Retreatments in Patients with Meningioma Residuals?
Answer: aSRS of meningioma residuals had a positive effect on tumor control and should be considered in patients with meningioma residuals.
[EX A]: yes

[EX Q]: Question: Do sLCO1B1 gene polymorphisms influence plasma rifampicin concentrations in a South Indian population?
Answer: This is the first study to show that rs11045819, rs4149032 and rs4149033 polymorphisms in the SLCO1B1 gene did not influence RMP concentrations in Indian patients.
[EX A]:
no