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.
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Question: Question: Does pEEP ventilation cause humorally mediated cardiac output depression in pigs?
Answer: As humorally mediated negative inotropism during PEEP ventilation has earlier been demonstrated in dogs, the results suggest that this mechanism might be species-dependent.

Answer: no


Question: Question: Is branch segment occlusion with acute myocardial infarction a risk for left ventricular free wall rupture?
Answer: The incidence of LVFWR was higher in group B and branch segment occlusion was identified as an independent predictor of LVFWR.

Answer: yes


Question: Question: Does ring annuloplasty prevent delayed leaflet coaptation and mitral regurgitation during acute left ventricular ischemia?
Answer: Mitral annular area reduction and fixation with an annuloplasty ring eliminated delayed leaflet coaptation and prevented mitral regurgitation during acute left ventricular ischemia after ring implantation.

Answer:
yes