Detailed Instructions: 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 topical vancomycin applied on closure of the sternotomy wound prevent high levels of systemic vancomycin?
Answer: Topical vancomycin causes significant systemic concentrations in the 6h post-surgery and can be detected in the urine for up to 5 days post-surgery.
A:
no