Assertion: spondylolisthesis | /r/HasProperty | hard to prevent
Facets:
Source sentences:
text: Spondylolisthesis is hard to prevent because it can happen all at once or over time.
text: Spondylolisthesis is hard to prevent because it can happen all at once or over time.
text: Spondylolisthesis is hard to prevent because it can happen all at once or over time.