instruction:
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.
question:
Question: Is plasminogen activation by fibroblasts from periodontal ligament and gingiva directly affected by chemokines in vitro?
Answer: These results suggest that plasminogen activation by PDL and GF is not directly affected by the chemokines even in the presence of the inflammatory mediators TGF-beta and IL-1.
answer:
no

question:
Question: Does intravenous insulin therapy during lung resection affect lung function or surfactant proteins?
Answer: According to our observations, short insulin treatment applied intravenously during resection does not affect the quality of breathing.
answer:
no

question:
Question: Does opioid receptor A118G polymorphism affect the consumption of sufentanil and ropivacaine by patient-controlled epidural analgesia after cesarean section?
Answer: The analgesic requirements of patients receiving sufentanil and ropivacaine through PCEA after caesarean section were not associated with A118G polymorphism.
answer:
no