Assertion: spondylolisthesis's vertebra | /r/CapableOf | slip onto the disc
Facets:
value: forward
type: MANNER
value: below it
type: LOCATION
Source sentences:
text: Spondylolisthesis is a spinal condition that effects approximately 4 to 6 percent of Americans, where a vertebrae slips forward or backward onto the disc below it.