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.

[EX Q]: Question: Does adenosine-activated myocardial ischemia induce delayed preconditioning?
Answer: Adenosine-induced ischemia does not exert a delayed protective effect in respect to cardiac bioelectrical and mechanical functions in patients with ischemic heart disease in the form of stable effort angina.
[EX A]: no

[EX Q]: Question: Is visceral pleural invasion a significant prognostic factor in patients with a part-solid lung cancer?
Answer: VPI may not contribute to the prognosis of patients with part-solid nodules. Thus, upgrading of the TNM stage on the basis of VPI should be carefully considered in these patients.
[EX A]: no

[EX Q]: Question: Is renal graft survival influenced by a positive flow B-cell crossmatch?
Answer: Neither short nor long-term graft survival of deceased donor kidneys is influenced by a positive flow B-cell IgG crossmatch, even when caused by HLA class II antibody.
[EX A]:
no