2557
Heparin - induced thrombocytopenia complicated with massive thrombosis of the inferior vena cava after filter placement .
 adverse effect: massive thrombosis of the inferior vena cava, Heparin; adverse effect: thrombocytopenia, Heparin
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:  massive thrombosis of the inferior vena cava, Heparin; thrombocytopenia, Heparin 
Answer:
 adverse effect: massive thrombosis of the inferior vena cava, Heparin; adverse effect: thrombocytopenia, Heparin