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: Does remote ischemic preconditioning affect the incidence of acute kidney injury after elective abdominal aortic aneurysm repair?
Answer: RIPC did not reduce the risk of postoperative renal failure or myocardial injury in patients undergoing open AAA repair. The authors' results do not support the introduction of this technique to routine clinical practice.
Example Output: no

Example Input: Question: Is [ The incidence of postoperative nausea and vomiting effected by routinely applied manual pre-oxygenation during induction of anesthesia ]?
Answer: Since neither routine pre-intubation positive pressure mask ventilation nor the medical qualification of the anesthesilogist affect the incidence of PONV neither variable needs to be taken into account in studies concerning PONV.
Example Output: no

Example Input: Question: Does comorbidity influence multiple aspects of well-being of patients with ischemic heart disease?
Answer: This study showed a consistent pattern of associations between somatic comorbidities and multiple aspects of well-being among patients with IHD. Findings may increase cardiologists' interest to identify and treat somatic conditions among IHD patients.
Example Output:
yes