12752
Prolonged prostate - specific antigen response in flutamide withdrawal syndrome despite disease progression .
 adverse effect: flutamide withdrawal syndrome, flutamide; adverse effect: Prolonged prostate - specific antigen response, flutamide
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: flutamide withdrawal syndrome, flutamide; adverse effect: Prolonged prostate - specific antigen response, flutamide