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 epithelium-dependent bronchodilatory activity preserved in pig bronchioles after normothermic cardiopulmonary bypass?
Answer: Normothermic cardiopulmonary bypass does not result in epithelial dysfunction in pigs. Epithelium-dependent and epithelium-independent bronchodilators may be equally effective before and after cardiopulmonary bypass.

A: yes
****
Q: Question: Are not all intestinal traumatic injuries the same : a comparison of surgically treated blunt vs. penetrating injuries?
Answer: Blunt and penetrating intestinal injury patterns have high injury severity. Significant operative delays occurred in the blunt injury group as well as, anastomotic failures, enteric fistulas, nosocomial infections, and higher cost. These features underscore the complexity of blunt injury patterns and warrant vigilant injury recognition to improve outcomes.

A:
yes
****