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.

Question: Is apoptosis inhibitor-5 overexpression associated with tumor progression and poor prognosis in patients with cervical cancer?
Answer: API5 expression is associated with pERK1/2 in a subset of cervical cancer patients and its expression predicts poor overall survival, supporting that API5 may be a promising novel target for therapeutic interventions.
yes

Question: Do post-ERCP pancreatitis rates differ between needle-knife and pull-type pancreatic sphincterotomy techniques : a multiendoscopist 13-year experience?
Answer: The risk of post-ERCP pancreatitis does not differ between EPS techniques when performed at a high-volume pancreaticobiliary referral center when using routine prophylactic pancreatic duct stent placement.
no

Question: Do mesenchymal stem cells prolong composite tissue allotransplant survival in a swine model?
Answer: These results suggested that the regulatory activity of MSCs on T cells and GVHD might contribute to significant prolongation of composite tissue allotransplant survival in the MSC-BMT-CsA treatment.

yes