
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] HISTORY OF PRESENT ILLNESS:  A 59-year-old man with a history bicuspid aortic valve and AS scheduled for aortic valve replacement due to severe AS on echocardiogram. [HYP]  The patient has a normal heart. 
OUTPUT:

entailment contradiction neutral