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Phenylpropanolamine ( PPA ) recently has been publicly implicated as a cause of stroke and other neurologic events .
 adverse effect: neurologic events, Phenylpropanolamine; adverse effect: neurologic events, PPA; adverse effect: stroke, Phenylpropanolamine; adverse effect: stroke, PPA
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: neurologic events, Phenylpropanolamine; adverse effect: neurologic events, PPA; adverse effect: stroke, Phenylpropanolamine; adverse effect: stroke, PPA