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: Are synthetic antifibrinolytics associated with an increased incidence of baffle fenestration closure after the modified Fontan procedure?
Answer: Use of epsilon-aminocaproic acid and tranexamic acid is not associated with early baffle fenestration closure after the modified Fontan procedure. It is concluded that these agents can be used without increasing the risk of spontaneous baffle fenestration closure.
[EX A]: no

[EX Q]: Question: Is chronic cerebrospinal venous insufficiency associated with chronic venous disorders : A case-control study?
Answer: We found no association of CCSVI with the presence of CVD or family history of varicose veins.
[EX A]: no

[EX Q]: Question: Does acute and prolonged administration of glucocorticoids ( methylprednisolone ) affect plasma leptin concentration in humans?
Answer: These data suggest that in relatively lean individuals, the administration of therapeutic doses of methylprednisolone does not change plasma leptin concentration.
[EX A]:
no