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 lower mortality rate in people with dementia associated with better cognitive and functional performance in an outpatient cohort?
Answer: Three-year mortality rates are dependent on baseline functional and cognitive status.
A:
yes