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: Is pseudomonas aeruginosa in CF and non-CF homes found predominantly in drains?
Answer: These findings implicate drains as important potential sources of P. aeruginosa infection. They suggest that maximizing P. aeruginosa control efforts for drains would reduce exposure with minimal extra burden to CF patients and families.

A: yes
****
Q: Question: Is statin use associated with reduced risk of skin cancer : a meta-analysis?
Answer: Our meta-analysis does not support a potential role of statin use in the prevention of skin cancer.

A: no
****
Q: Question: Is normal-looking skin in oncohaematological patients after allogenic bone marrow transplantation normal?
Answer: Normal-looking skin in 76% of BMT patients is not necessarily histologically normal. The pattern with more prominent changes, the GvHD-like pattern, has been found to be associated with a more frequent history of CMV antigen in the blood within 100 days from BMT.

A:
no
****