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.

[Q]: Question: Is time-domain T-wave alternans strongly associated with a history of ventricular fibrillation in patients with Brugada syndrome?
Answer: Elevated time-domain TWA on AECG confirms arrhythmia risk in symptomatic BrS patients without the need for provocative stimuli.
[A]: yes


[Q]: Question: Does oral contraceptive use by teenage women affect peak bone mass : a longitudinal study?
Answer: Oral contraceptive pill use by healthy, white, teenage females does not affect acquisition of peak bone mass.
[A]: no


[Q]: Question: Does chronic nitric oxide synthase inhibition in pregnant rats result in placental oxidative stress?
Answer: The L-nitroarginine methyl ester model of experimental preeclampsia induces a number of the physiological characteristics typical of the human disease however fails to initiate biochemical changes in the placenta that occur during human preeclampsia.
[A]:
no