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 mPGES-2 deletion remarkably enhance liver injury in streptozotocin-treated mice via induction of GLUT2?
Answer: mPGES-2 deletion enhanced STZ-induced liver toxicity possibly via GLUT2-mediated STZ uptake, independently of diabetes mellitus.
[EX A]: yes

[EX Q]: Question: Is an Ile93Met substitution in the UCH-L1 gene a disease-causing mutation for idiopathic Parkinson 's disease?
Answer: Our study suggested that Ile93Met of UCH-L1 gene did not influence risk of IPD.
[EX A]: no

[EX Q]: Question: Does increasing intensity during treadmill walking adversely affect walking pattern or quality in newly-ambulating stroke patients : an experimental study?
Answer: Walking on a treadmill at increasing intensity did not adversely affect walking pattern or reduce walking quality in newly-ambulating stroke patients. This study adds some support for the inclusion of walking on a treadmill at higher intensities in rehabilitation for newly-ambulating stroke patients.
[EX A]:
no