6649
Bortezomib - induced paralytic ileus is a potential gastrointestinal side effect of this first - in - class anticancer proteasome inhibitor .
 adverse effect: gastrointestinal side effect, Bortezomib; adverse effect: paralytic ileus, Bortezomib
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: gastrointestinal side effect, Bortezomib; adverse effect: paralytic ileus, Bortezomib