2869
Prolonged severe cholestasis induced by oxacillin derivatives .
 adverse effect: severe cholestasis, oxacillin
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:  severe cholestasis, oxacillin 
Answer:
 adverse effect: severe cholestasis, oxacillin