
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.
###
INPUT: [PRE] Postoperatively the patient developed difficulty in eating secondary to post prandial nausea and vomiting and dumping syndrome as well as cholangitis. [HYP]  The patient has never had surgery. 
OUTPUT:

entailment contradiction neutral