8247
The responsibility of CCNU in the pathogenesis of pulmonary fibrosis seems very likely .
 adverse effect: pulmonary fibrosis, CCNU
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:  pulmonary fibrosis, CCNU 
Answer:
 adverse effect: pulmonary fibrosis, CCNU