Detailed Instructions: 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 urine NGAL useful in the clinical evaluation of renal function in the early course of acute pancreatitis?
Answer: The measurement of NGAL levels, particularly in urine, is simple, easy to interpret, routinely available, and clinically useful in the assessment of dynamic changes in kidney function for patients with AP.
A:
yes