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A 12 year old patient with atrial flutter is presented , in whom intravenous adenosine was followed by acceleration of the heart rate to a potentially dangerous arrhythmia .
 adverse effect: acceleration of the heart rate, adenosine; adverse effect: arrhythmia, adenosine
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:  acceleration of the heart rate, adenosine; arrhythmia, adenosine 
Answer:
 adverse effect: acceleration of the heart rate, adenosine; adverse effect: arrhythmia, adenosine