Assertion: obstruction's cause | /r/HasProperty | removed
Facets:
Source sentences:
text: Although short-term relief from the urinary blockage is possible without surgery, the cause of the blockage must be removed and repair of the urinary tract is needed.
text: Although short-term relief from the urinary blockage is possible without surgery, the cause of the blockage must be removed and repair of the urinary tract is needed.