4133
Fever caused by the use of furosemide was proved ; the fever resolved after discontinuation of this medication and recurred after its reintroduction .
 adverse effect: Fever, furosemide
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:  Fever, furosemide 
Answer:
 adverse effect: Fever, furosemide