1632
Massive prolapse of the urethral mucosa following periurethral injection of calcium hydroxylapatite for stress urinary incontinence .
 adverse effect: prolapse of the urethral mucosa, calcium hydroxylapatite
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:  prolapse of the urethral mucosa, calcium hydroxylapatite 
Answer:
 adverse effect: prolapse of the urethral mucosa, calcium hydroxylapatite