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: Does poor sleep predict symptoms of depression and disability retirement due to depression?
Answer: Lack of baseline diagnostic interviews; sleep quality based on self-report.
A:
yes