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 the covariation between burnout and sick leave due to mental disorders explained by a shared genetic liability : a prospective swedish twin study with a five-year follow-up?
Answer: The association between burnout and sick leave due to stress-related and other mental disorders seems to be a reflection of a shared genetic liability.
[A]: yes

[Q]: Question: Is periodontitis an independent risk indicator for atherosclerotic cardiovascular diseases among 60 174 participants in a large dental school in the Netherlands?
Answer: This cross-sectional analysis of a large cohort in the Netherlands of 60174 participants shows the independent association of periodontitis with ACVD.
[A]: yes

[Q]: Question: Does general anesthesia impair simulator driving skills in volunteers in the immediate recovery period - a pilot study?
Answer: Certain driving skills return by two hours after one half hour of GA of propofol, desflurane, and fentanyl in a group of young volunteers.
[A]:
no