4999
A 64 year old woman with previous history of coronary stenting five days before was admitted in our institution for intracranial bleeding while receiving aspirin and clopidogrel .
 intracranial bleeding, aspirin; intracranial bleeding, clopidogrel
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 intracranial bleeding, aspirin; intracranial bleeding, clopidogrel