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.

Input: Consider Input: 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.

Output: yes

Input: Consider Input: Question: Does increased expression of prostasin contribute to early-onset severe preeclampsia through inhibiting trophoblast invasion?
Answer: These findings suggest that prostasin may suppress the invasion process in preeclampsia by attenuating MMP2 and MMP9 secretion.

Output: yes

Input: Consider Input: Question: Does health indicators associated with fall among middle-aged and older women enrolled in an evidence-based program?
Answer: Findings have implications for identifying at-risk older women upon enrollment, expanding the reach of AMOB/VLL, and leveraging AMOB/VLL to refer participants to other evidence-based exercise, disease management, and mental health interventions.
Output: yes