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 l-Tryptophan influence acute ventilatory response at moderate altitude?
Answer: L-tryptophan does not impair ventilatory adaptation to mild hypoxia at moderate altitude.
[EX A]: no

[EX Q]: Question: Does long-term treatment with methotrexate or tumor necrosis factor alpha inhibitors increase epstein-barr virus load in patients with rheumatoid arthritis?
Answer: Long-term usage of methotrexate or TNFalpha inhibitors in patients with RA does not significantly influence EBV load in PBMCs.
[EX A]: no

[EX Q]: Question: Do proinflammatory parameters as CRP and IL-6 discriminate between post-PCI cardiac patients with and without exercise-induced ischemia as indicated by Tl-201 myocardial scintigraphy?
Answer: We conclude that measurement of these (inflammatory) parameters does not help to delineate post-PCI cardiac patients with and without exercise-induced ischemia.
[EX A]:
no