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.

Example Input: Question: Is epidural analgesia superior to local infiltration analgesia in children with cerebral palsy undergoing unilateral hip reconstruction?
Answer: Epidural analgesia is superior to local infiltration analgesia for early postoperative pain management in children with cerebral palsy who undergo unilateral hip reconstruction.
Example Output: yes

Example Input: Question: Does early removal of central venous catheter in patients with candidemia improve outcome : analysis of 842 patients from 2 randomized clinical trials?
Answer: In this cohort of 842 adults with candidemia followed up prospectively, early CVC removal was not associated with any clinical benefit. These findings suggest an evidence-based re-evaluation of current treatment recommendations.
Example Output: no

Example Input: Question: Are lipoprotein phospholipase A2 mass and activity associated with the diagnosis of acute brain ischemia?
Answer: The results of our study do not support the early measurement of Lp-PLA2 mass or activity levels for confirming an ischemic etiology in patients experiencing minor or transient focal neurological events.
Example Output:
no