Q: 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: Is prior ischemic stroke associated with worse clinical outcomes in patients undergoing percutaneous coronary intervention?
Answer: This study demonstrates that, in daily clinical practice, PCI can be provided safely and with good results to patients with a prior ischemic stroke ( 3 months).
A:
no