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 Input:
Question: Does vasopressin raise cardiac enzymes following cardiac surgery : a randomized double-blind clinical trial?
Answer: Vasopressin infusion has been used to treat catecholamine-unresponsive shock. In this study, intraoperative vasopressin was used safely as a possible first-line drug for treating hypotension; however, it did not increase the levels of cardiac enzymes after cardiac surgery.

Ex Output:
no


Ex Input:
Question: Is cDK10 a target for aberrant DNA methylation in breast cancer?
Answer: CDK10 is not a target for aberrant DNA methylation in breast cancer.

Ex Output:
no


Ex Input:
Question: Does washing of new microscopic glass slides in dichromate solution influence sputum AFB smear results?
Answer: Washing of new glass slides in dichromate solution is not essential for AFB microscopy.

Ex Output:

no