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 the ets-domain transcription factor Spdef promote maturation of goblet and paneth cells in the intestinal epithelium?
Answer: Spdef acts downstream of Math1 to promote terminal differentiation of a secretory progenitor pool into Paneth and goblet cells.
[EX A]: yes

[EX Q]: Question: Do rates of labor induction and primary cesarean delivery correlate with rates of adverse neonatal outcome in level I hospitals?
Answer: Crude and adjusted rates of labor induction and PCD vary among level I hospitals, but with no consistent effect on neonatal outcome.
[EX A]: no

[EX Q]: Question: Does total inflammation in early protocol kidney graft biopsies predict progression of fibrosis at one year post-transplant?
Answer: Total inflammation in kidney transplant biopsies at week 6 did not predict progression of fibrosis at one yr post-transplant.
[EX A]:
no