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We report on a patient with subarachnoid haemorrhage who developed an acute life - threatening pseudo - obstruction of the colon , a variant of adynamic ileus , while being treated with intravenous nimodipine .
 adverse effect: adynamic ileus, nimodipine; adverse effect: pseudo - obstruction of the colon, nimodipine
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: adynamic ileus, nimodipine; adverse effect: pseudo - obstruction of the colon, nimodipine