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A 57-year - old woman presented with a 3-week history of dysphagia for solids , 6 months after starting treatment with nifedipine .
 adverse effect: dysphagia for solids, nifedipine
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: dysphagia for solids, nifedipine