14822
A case report is presented concerning the administration of ketanserin in the treatment of pulmonary vasoconstriction and right ventricular failure following the infusion of protamine in a patient undergoing coronary artery bypass surgery and mitral valve replacement .
 adverse effect: pulmonary vasoconstriction, protamine; adverse effect: right ventricular failure, protamine
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  pulmonary vasoconstriction, protamine; right ventricular failure, protamine 
Answer:
 adverse effect: pulmonary vasoconstriction, protamine; adverse effect: right ventricular failure, protamine