3737
Type II heparin - induced thrombocytopenia ( HIT ) is an immunological disorder characterized by antibodies to heparin - platelet factor 4 complexes and a high risk of thrombotic complications .
 adverse effect: thrombocytopenia, heparin
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: thrombocytopenia, heparin