Task: Answer Verification
Input (English): Question: Does ropivacaine 1 mg x ml ( -1 ) decrease the need for epidural fentanyl after hip replacement surgery?
Answer: Addition of ropivacaine 1 mg x ml(-1) to epidural fentanyl 10 microg x ml(-1) did not significantly decrease the requirement for fentanyl administered for pain relief after hip replacement surgery.
Output (English): no