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.

Q: Question: Are mutational status of KIT and PDGFRA and expression of PDGFRA associated with prognosis after curative resection of primary gastrointestinal stromal tumors ( GISTs )?
Answer: Our data do not support the notion that expression of PDGFRA or mutations in KIT or PDGFRA are independent prognostic factors after curative resection of primary GIST.

A: no
****
Q: Question: Does specific angiotensin II receptor blockage improve intestinal perfusion during graded hypovolemia in pigs?
Answer: Specific AT1 blockade before acute hypovolemia significantly ameliorated mesenteric and, in particular, jejunal mucosal hypoperfusion. In addition, cardiovascular stability was improved, and mortality in conjunction with acute hypovolemia and retransfusion could be completely avoided. These findings support a fundamental role of the renin-angiotensin system in the mesenteric response to acute hypovolemia and indicate a substantial interventional potential for candesartan in conjunction with circulatory stress.

A: yes
****
Q: Question: Does micafungin influence the concentration of tacrolimus in patients after allogeneic hematopoietic stem cell transplantation?
Answer: We conclude that there is no drug interaction between tacrolimus and concomitantly administered micafungin in stem cell transplantation recipients.

A:
no
****