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 peroxiredoxin 1 promote pancreatic cancer cell invasion by modulating p38 MAPK activity?
Answer: Prdx1 associates with the formation of membrane protrusions through modulation of the activity of p38 MAPK, which in turn promotes PDAC cell invasion.
[EX A]: yes

[EX 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.
[EX A]: yes

[EX Q]: Question: Are the visual analog scale and a five-item verbal rating scale interchangeable for back pain assessment in lumbar spine disorders?
Answer: The order-consistency level was low with overlapping of pain records between the 2 scales, indicating that VAS and VRS are not interchangeable and, therefore, a results obtained with the use of each scale cannot be compared.
[EX A]:
no