5857
Since 1979 , over 30 published case reports have documented the relationship between phenylpropanolamine and stroke .
 adverse effect: stroke, phenylpropanolamine
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:  stroke, phenylpropanolamine 
Answer:
 adverse effect: stroke, phenylpropanolamine