868
Sirolimus - eluting stent thrombosis several years after clopidogrel discontinuation .
 adverse effect: Sirolimus - eluting stent thrombosis, clopidogrel
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:  Sirolimus - eluting stent thrombosis, clopidogrel 
Answer:
 adverse effect: Sirolimus - eluting stent thrombosis, clopidogrel