7039
Four patients in whom pulmonary oedema developed during tocolysis with hexoprenaline are described and the aetiological factors and pathogenesis of this potentially lethal complication discussed .
 adverse effect: pulmonary oedema, hexoprenaline
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: pulmonary oedema, hexoprenaline