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: Does bispectral index monitoring improve early recovery of geriatric outpatients undergoing brief surgical procedures?
Answer: In this non-paralyzed elderly outpatient surgery population, the use of BIS monitoring for titrating the maintenance anesthetic (sevoflurane) failed to improve the early recovery process.
answer:
no


question:
Question: Is ischemic preconditioning cardioprotective in senescent human myocardium?
Answer: Our data indicate that ischemic preconditioning has no beneficial effect on the postischemic functional recovery of senescent human myocardium.
answer:
no


question:
Question: Are coagulation-related factors , thrombomodulin and protein Z , associated with risk for oral cancer?
Answer: Inherited predisposition affecting protein Z or thrombomodulin levels does not modulate susceptibility to oral cancer. Any possible contribution of thrombin to oral oncogenesis may involve other factors.
answer:

no