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.
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Question: Question: Does vitamin E supplementation alter physiological performance at fixed blood lactate concentrations in trained runners?
Answer: Daily VE supplementation for 35 days does not enhance or impair physiological performance at fixed blood lactate concentrations. Long-term VE supplementation for the purposes of performance enhancement is not recommended.

Answer: no


Question: Question: Does mR Elastography demonstrate Increased Brain Stiffness in Normal Pressure Hydrocephalus?
Answer: This study demonstrates increased brain stiffness in patients with normal pressure hydrocephalus compared with age- and sex-matched healthy controls; these findings should motivate future studies investigating the use of MR elastography for this condition and the efficacy of shunt therapy.

Answer: yes


Question: Question: Are drug Transporter Genetic Variants Associated with TDF-Related Renal Dysfunction in Patients with HIV-1 Infection : A Pharmacogenetic Study?
Answer: SNPs of the drug transporters for TDF are not associated with clinically important renal outcomes in patients who initiated TDF-containing ART.

Answer:
no