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.

Example Input: Question: Do quantitative EEG markers relate to Alzheimer 's disease severity in the Prospective Dementia Registry Austria ( PRODEM )?
Answer: Selected QEEG markers show strong associations with AD severity. Both cognitive and resting state should be used for QEEG assessments.
Example Output: yes

Example 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.
Example Output: yes

Example Input: Question: Do impaired fasting glucose and impaired glucose tolerance predict hypertension : a community cohort study?
Answer: While metabolic syndrome components related to insulin resistance present at baseline are important risk factors of hypertension, we conclude that coexisting metabolic component, mainly abdominal obesity, rather than IFG and IGT have more predictive value for determining the development of hypertension in a Korean population.
Example Output:
no