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However , acute cardiomyopathy and pericarditis secondary to methylphenidate use has been rarely reported .
 adverse effect: acute cardiomyopathy, methylphenidate; adverse effect: pericarditis, methylphenidate
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:  acute cardiomyopathy, methylphenidate; pericarditis, methylphenidate 
Answer:
 adverse effect: acute cardiomyopathy, methylphenidate; adverse effect: pericarditis, methylphenidate