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A 69-year - old man developed pure red cell aplasia after taking fenoprofen for ten months .
 adverse effect: pure red cell aplasia, fenoprofen
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: pure red cell aplasia, fenoprofen