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 Input:
Question: Does surfactant replacement therapy on ECMO improve outcome in neonates with congenital diaphragmatic hernia?
Answer: The data from this study suggest that surfactant replacement on ECMO for neonates with congenital diaphragmatic hernia does not provide significant benefit in the infant's clinical course with respect to survival, length of ECMO course, length of intubation, or subsequent need for supplemental oxygen.

Ex Output:
no

Ex Input:
Question: Does prospective international cohort study demonstrate inability of interim PET to predict treatment failure in diffuse large B-cell lymphoma?
Answer: This large international cohort delivers 3 novel findings: treatment response assessed by I-PET is comparable across disparate healthcare systems, secondly a negative I-PET findings together with good clinical status identifies a group with an EFS of 98%, and thirdly a single I-PET scan does not differentiate chemoresistant lymphoma from complete response and cannot be used to guide risk-adapted therapy.

Ex Output:
yes

Ex Input:
Question: Does neonatal pulmonary artery banding compromise the short-term function of a Damus-Kaye-Stansel connection?
Answer: This experience demonstrates that a neonatal pulmonary artery banding does not compromise the function neither of a Damus-Kaye-Stansel connection nor a Fontan repair.

Ex Output:
no