14671
Pulmonary fibrosis is a severe complication associated with bis - chloronitrosourea ( BCNU ) therapy .
 adverse effect: Pulmonary fibrosis, BCNU; adverse effect: Pulmonary fibrosis, bis - chloronitrosourea
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, BCNU; Pulmonary fibrosis, bis - chloronitrosourea 
Answer:
 adverse effect: Pulmonary fibrosis, BCNU; adverse effect: Pulmonary fibrosis, bis - chloronitrosourea