
TASK: Please classify the relationship between the given premise and hypothesis into one of the following labels: entailment, contradiction, or neutral. Return only the label.
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INPUT: [PRE] Echocardiogram revealed an ejection fraction of approximately 55% with 3-4+ mitral regurgitation, severe prolapse of the anterior leaflet. [HYP]  Patient has CHF
OUTPUT:

entailment contradiction neutral