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 antidepressant medication treatment failure predict lower remission with ECT for major depressive disorder : a report from the consortium for research in electroconvulsive therapy?
Answer: Treatment failure with anti-depressant medication does not predict acute remission status with ECT for nonpsychotically depressed patients.
[EX A]: no

[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: Is self-reported sleep disturbance associated with Alzheimer 's disease risk in men?
Answer: Improving sleep quality may help reduce the neurodegenerative risk in older men.
[EX A]:
yes