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: Do norepinephrine and ephedrine counteract the increase in cutaneous microcirculation induced by spinal anaesthesia?
Answer: Improved skin perfusion induced by spinal anaesthesia was not counteracted by the use of norepinephrine or ephedrine.
answer:
no


question:
Question: Does classical swine fever virus induce oxidative stress in swine umbilical vein endothelial cells?
Answer: Our results indicated that CSFV infection induced oxidative stress in SUVECs. These findings provide novel information on the mechanism by which CSFV can alter intracellular events associated with the viral infection.
answer:
yes


question:
Question: Is inguinal hernia repair in patients with cirrhosis associated with increased risk of complications and recurrence?
Answer: Our results indicate that the incidence of postoperative complications and long-term recurrence after inguinal hernia repair in LC patients does not differ from that in non-LC patients. Elective repair of symptomatic inguinal hernia in patients with cirrhosis should be advocated.
answer:

no