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Although a few case reports link metronidazole with the development of pseudomembranous colitis , albendazole has not been associated with the development of this condition .
 adverse effect: pseudomembranous colitis, metronidazole
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:  pseudomembranous colitis, metronidazole 
Answer:
 adverse effect: pseudomembranous colitis, metronidazole