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 sympathetic nerve activity reduce proprioceptive acuity in humans?
Answer: The present findings contradict previous reports from animal studies and the hypothesis that sympathetic nerve activity reduces proprioceptive acuity.
[EX A]: no

[EX Q]: Question: Does the presence of the adult respiratory distress syndrome worsen mortality or discharge disability in blunt trauma patients with severe traumatic brain injury?
Answer: The presence of ARDS was not associated with higher mortality or worse discharge disability. It was, however, associated with higher hospital morbidity, longer ICU and hospital length of stay.
[EX A]: no

[EX Q]: Question: Are residual perfusion defects in patients with pulmonary embolism related to impaired fibrinolytic capacity?
Answer: Prolonged time-to-diagnosis and fibrinolysis imbalance are independent predictors of incomplete perfusion recovery after acute PE.
[EX A]:
yes