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 sULF2 , a heparan sulfate endosulfatase , present in the blood of healthy individuals and increases in cirrhosis?
Answer: SULF2 may be a useful serologic biomarker for liver cirrhosis.
A:
yes