5444
Premature closure of the ductus arteriosus : variable response among monozygotic twins after in utero exposure to indomethacin .
 adverse effect: Premature closure of the ductus arteriosus, indomethacin
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:  Premature closure of the ductus arteriosus, indomethacin 
Answer:
 adverse effect: Premature closure of the ductus arteriosus, indomethacin