11904
A 73-year - old woman presented with fever and cough 2 weeks after completing the third cycle of fludarabine for chronic lymphocytic leukemia ( CLL ) .
 adverse effect: cough, fludarabine; adverse effect: fever, fludarabine
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:  cough, fludarabine; fever, fludarabine 
Answer:
 adverse effect: cough, fludarabine; adverse effect: fever, fludarabine