10568
We report a 59-year - old patient with chronic myeloid leukemia , who developed severe interstitial lung fibrosis after short term and sequential treatment with melphalan and busulfan .
 adverse effect: severe interstitial lung fibrosis, busulfan; adverse effect: severe interstitial lung fibrosis, melphalan
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  severe interstitial lung fibrosis, busulfan; severe interstitial lung fibrosis, melphalan 
Answer:
 adverse effect: severe interstitial lung fibrosis, busulfan; adverse effect: severe interstitial lung fibrosis, melphalan