Assertion: appendicular skeleton's bone | /r/AtLocation | the base of the spine
Facets:
Source sentences:
text: Bones of the pelvis: The pelvis is located at the base of the spine and contains two sockets for articulation with the lower extremities.
text: Bones of the pelvis: The pelvis is located at the base of the spine and contains two sockets for articulation with the lower extremities.