Assertion: sacrum | /r/CapableOf | attach to the two hip bones
Facets:
value: by the sacrospinous ligament
type: OTHER
value: to form the pelvis
type: PURPOSE
Source sentences:
text: The sacrum and the coccyx attach to the two hip bones to form the pelvis, but are more important to the spinal column, where they are counted.
text: The sacrum is also attached to the hip bone by the sacrospinous ligament, which spans the sacrum to the ischial spine, and the sacrotuberous ligament, which runs from the sacrum to the ischial tuberosity.