13423
We report 2 patients who developed polyarteritis nodosa following vaccination against hepatitis B .
 adverse effect: polyarteritis nodosa, vaccination against hepatitis B
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:  polyarteritis nodosa, vaccination against hepatitis B 
Answer:
 adverse effect: polyarteritis nodosa, vaccination against hepatitis B