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 modulation of fatty acid and bile acid metabolism by peroxisome proliferator-activated receptor protect against alcoholic liver disease?
Answer: These observations indicate that PPAR plays a protective role to enhance mitochondrial function in response to chronic alcohol consumption by adaptive transcriptional activation and suggest that activation of this nuclear receptor may be of therapeutic value in the treatment for ALD.
A:
yes