Assertion: human rib cage | /r/MadeOf | 12 thoracic vertebrae
Facets:
Source sentences:
text: The human rib cage consists of the sternum, cartilage, 12 thoracic vertebrae, and 12 pairs of ribs.
text: A human rib cage consists of 24 ribs, the sternum, costal cartilages, and the 12 thoracic vertebrae.