6566
Upper gastrointestinal haemorrhage is a serious complication of aspirin and clopidogrel ( dual ) anti - platelet therapy with a high morbidity and mortality .
 adverse effect: Upper gastrointestinal haemorrhage, aspirin; adverse effect: Upper gastrointestinal haemorrhage, 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:  Upper gastrointestinal haemorrhage, aspirin; Upper gastrointestinal haemorrhage, clopidogrel 
Answer:
 adverse effect: Upper gastrointestinal haemorrhage, aspirin; adverse effect: Upper gastrointestinal haemorrhage, clopidogrel