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We report a patient with recurrent , increasingly severe episodes of PPE , ultimately complicated by a severe bullous eruption , following successive cycles of high - dose cytarabine for the treatment of acute lymphoblastic leukaemia .
 adverse effect: bullous eruption, cytarabine; adverse effect: PPE, cytarabine
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: bullous eruption, cytarabine; adverse effect: PPE, cytarabine