Assertion: ankylosing spondylitis | /r/CapableOf | begin in joint
Facets:
value: between the pelvis
type: LOCATION
value: typically
type: DEGREE
value: between the spine
type: LOCATION
Source sentences:
text: Ankylosing spondylitis is a type of arthritis that typically begins in the spine and the joints between the spine and the pelvis.