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.

[Q]: Question: Does frailty predict major bleeding within 30days in elderly patients with Acute Coronary Syndrome?
Answer: Frailty phenotype, as a marker of biological vulnerability, is an independent predictor of major bleeding in elderly patients with ACS. Frailty can play an important role in bleeding risk stratification and objective indices should be integrated into routine initial evaluation of these patients.
[A]: yes


[Q]: Question: Is three-dimensional speckle strain echocardiography more accurate and efficient than 2D strain in the evaluation of left ventricular function?
Answer: Three-dimensional STE is feasible and reproducible in the estimation of LV function, requires substantially less time than 2DSTE and is a more feasible technique for LV function assessment in clinical practice.
[A]: yes


[Q]: Question: Does endoscopic Mediastinal Staging in Lung Cancer be Superior to `` Gold Standard '' Surgical Staging?
Answer: Combined EBUS- and EUS-guided biopsies can access more targets, including lung and distant metastasis, and thus have the potential to upstage patients compared with mediastinoscopy and change the treatment plan.
[A]:
yes