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 Q]: Question: Does lung-protective mechanical ventilation protect against acute kidney injury in patients without lung injury at onset of mechanical ventilation?
Answer: In the present study in critically patients without ALI at onset of mechanical ventilation, lower tidal volume ventilation did not reduce the development or worsening of AKI compared with conventional tidal volume ventilation.
[EX A]: no

[EX Q]: Question: Does cYP3A5 genotype influence everolimus in vitro metabolism and clinical pharmacokinetics in renal transplant recipients?
Answer: This study provides direct and indirect evidence that CYP3A5 genotyping cannot help improve everolimus therapy.
[EX A]: no

[EX Q]: Question: Is photodynamic Therapy-Induced Apoptosis of Keloid Fibroblasts Mediated by Radical Oxygen Species In Vitro?
Answer: Our data indicated that HMME-mediated PDT could inhibit keloid fibroblast proliferation and could also induce apoptosis. This process was associated with the production of ROS.
[EX A]:
yes