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One patient required nursing home placement and a feeding gastrostomy as a result of the worsening parkinsonism during risperidone treatment , but was able to return home and have the gastrostomy removed after switching from risperidone to clozapine .
 adverse effect: feeding gastrostomy, risperidone; adverse effect: feeding gastrostomy, risperidone; adverse effect: worsening parkinsonism, risperidone; adverse effect: worsening parkinsonism, risperidone
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: feeding gastrostomy, risperidone; adverse effect: feeding gastrostomy, risperidone; adverse effect: worsening parkinsonism, risperidone; adverse effect: worsening parkinsonism, risperidone