Assertion: rib cage's rib | /r/HasAspect | head
Facets:
Source sentences:
text: The true ribs, false ribs, and floating ribs all have a head, neck, and shaft.
text: The true ribs, false ribs, and floating ribs all have a head, neck, and shaft.
text: The true ribs, false ribs, and floating ribs all have a head, neck, and shaft.