5121
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 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:  dysphagia for solids, nifedipine 
Answer:
 adverse effect: dysphagia for solids, nifedipine