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: Are decreased plasma levels of select very long chain ceramide species associated with the development of nephropathy in type 1 diabetes?
Answer: These studies demonstrate, prospectively, that decreased plasma levels of select ceramide species are associated with the development of macroalbuminuria in type 1 diabetes.
Example Output: yes

Example Input: Question: Are respiratory disorders more common in farmers . Results from a study on Icelandic animal farmers?
Answer: The prevalence of respiratory disorders and symptoms among Icelandic farmers is currently similar to non-farmers. This may suggest that modernization of the agricultural environment has had a positive effect on workers' health.
Example Output: no

Example Input: Question: Is human rights of persons with mental illness in Indonesia : more than legislation needed?
Answer: More than legislation is needed to protect the human rights of persons with mental illness. Improving the human rights situation for persons with mental illness in Indonesia will require action by governments at national, provincial and district levels, substantial increases in the level of investment in mental health services, coordinated action by mental health professionals and consumer and career organisations, and a central role for the National Human Rights Commission in protecting the rights of persons with mental illness.
Example Output:
yes