11349
A patient , while on intravenous ritodrine therapy for preterm labor , experienced an episode of acute chest pain .
 adverse effect: acute chest pain, ritodrine
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:  acute chest pain, ritodrine 
Answer:
 adverse effect: acute chest pain, ritodrine